{"id":14420,"date":"2024-03-25T14:13:36","date_gmt":"2024-03-25T08:43:36","guid":{"rendered":"https:\/\/tsboardsolutions.in\/?p=14420"},"modified":"2024-03-26T16:46:18","modified_gmt":"2024-03-26T11:16:18","slug":"ts-10th-class-physical-science-bits-chapter-3","status":"publish","type":"post","link":"https:\/\/tsboardsolutions.in\/ts-10th-class-physical-science-bits-chapter-3\/","title":{"rendered":"TS 10th Class Physical Science Bits Chapter 3 Acids, Bases, and Salts"},"content":{"rendered":"

These\u00a0TS 10th Class Physical Science Bits with Answers<\/a> Chapter 3 Acids, Bases, and Salts will help students to enhance their time management skills.<\/p>\n

TS 10th Class Physical Science Bits Chapter 3 Acids, Bases, and Salts<\/h2>\n

Question 1.
\nWhich of the following is the most accurate way of showing neutralization? ()
\n(A) acid+base \u2192 acid-base solution
\n(B) acid+base \u2192 salt+water
\n(C) acid +base \u2192 sodium chloride+hydrogen
\n(D) acid+base \u2192 neutral solution
\nAnswer:
\n(B) acid+base \u2192 salt+water<\/p>\n

Question 2.
\nThe gas liberated when zinc reacts with dilute HCl is ()
\n(A) oxygen
\n(B) nitrogen
\n(C) carbon dioxide
\n(D) hydrogen
\nAnswer:
\n(D) hydrogen<\/p>\n

Question 3.
\nA metal that does not react with hydrochloric acid ( )
\n(A) Au
\n(B) Zn
\n(C) Mg
\n(D) all
\nAnswer:
\n(A) Au<\/p>\n

\"TS<\/p>\n

Question 4.
\nThe acid formed when CO2<\/sub> is dissolved in water : ( )
\n(A) carboxy\u00fcc acid
\n(B) cifric acid
\n(C) carbonic acid
\n(D) all the above
\nAnswer:
\n(C) carbonic acid<\/p>\n

Question 5.
\nThe salt formed when MgO reacts with sulphuric acid is ( )
\n(A) Mg3<\/sub>S2<\/sub>
\n(B) MgO3<\/sub>
\n(C) MgSO4<\/sub>
\n(D) MgSO2<\/sub>
\nAnswer:
\n(C) MgSO4<\/sub><\/p>\n

Question 6.
\nThe gas liberated when zinc reacts with sodium hydroxide. ( )
\n(A) CO2<\/sub>
\n(B) H2<\/sub>
\n(C) N2<\/sub>
\n(D) SO2<\/sub>
\nAnswer:
\n(B) H2<\/sub><\/p>\n

Question 7.
\nThe acid which gives sour taste to pickles is ( )
\n(A) nitric acid
\n(B) sulphuric acid
\n(C) oxalic acid
\n(D) acetic acid
\nAnswer:
\n(D) acetic acid<\/p>\n

Question 8.
\nThe acid formed when N2<\/sub>O5<\/sub> is dissolved in water : ( )
\n(A) nitrous acid
\n(B) carbonic acid
\n(C) oxalic acid
\n(D) nitric acid
\nAnswer:
\n(D) nitric acid<\/p>\n

Question 9.
\nWhen sodium oxide es dissolved In water we get : ( )
\n(A) NaOH
\n(B) NaH2<\/sub>
\n(C) NaCl
\n(D) Na(OH)2<\/sub>
\nAnswer:
\n(A) NaOH<\/p>\n

Question 10.
\nA non-metallic oxide among the following is : ( )
\n(A) Na2<\/sub>O
\n(B) CaO
\n(C) N2<\/sub>O3<\/sub>
\n(D) K2<\/sub>O
\nAnswer:
\n(C) N2<\/sub>O3<\/sub><\/p>\n

Question 11.
\nThe nature of CaO is ( )
\n(A) acidic
\n(B) neutral
\n(C) amphoteric
\n(D) basic
\nAnswer:
\n(D) basic<\/p>\n

\"TS<\/p>\n

Question 12.
\nLitmus solution Is a dye extracted from: ( )
\n(A) eggshells
\n(B) blood of leaches
\n(C) lichen
\n(D) blood of crabs
\nAnswer:
\n(C) lichen<\/p>\n

Question 13.
\nThe salt formed when zinc pieces react with dilute HC1 : ( )
\n(A) ZnO
\n(B) ZnCl2<\/sub>
\n(C) Zn2Cl3<\/sub>
\n(D) Zn(OH)2<\/sub>
\nAnswer:
\n(B) ZnCl2<\/sub><\/p>\n

Question 14.
\nBaking powder contains a mild edible acid called ( )
\n(A) tartaric acid
\n(B) oxalic acid
\n(C) carbonic acid
\n(D) palmitic acid
\nAnswer:
\n(A) tartaric acid<\/p>\n

Question 15.
\nThe precipitate formed when CO2<\/sub> is passed through lime water : ( )
\n(A) CaCO3<\/sub>
\n(B) CaHCO3<\/sub>
\n(C) Ca(HCO3<\/sub>)2<\/sub>
\n(D) CaCl2<\/sub>
\nAnswer:
\n(A) CaCO3<\/sub><\/p>\n

Question 16.
\nThe balanced equation showing the reaction between copper oxide and Hydrochloric acId. ( )
\n(A) CuO+2HCl \u2192 Cu(OH)2<\/sub>+Cl2<\/sub>
\n(B) CuO+2HCl \u2192 CuHOCI+O2<\/sub>
\n(C) CuO+2HCl \u2192 CuCl2<\/sub>+ H2<\/sub>O
\n(D) CuO+2HCl \u2192 CuHCl+O2<\/sub>
\nAnswer:
\n(C) CuO+2HCl \u2192 CuCl2<\/sub>+ H2<\/sub>O<\/p>\n

Question 17.
\nThese oxides are generally acidic in nature: ( )
\n(A) metallic oxides
\n(B) non-metallic oxides
\n(C) neutral oxides
\n(D) Amphoteric oxides
\nAnswer:
\n(B) non-metallic oxides<\/p>\n

Question 18.
\nThe acid obtained when common salt reacts with dilute sulphuric acid is( )
\n(A) nitric acid
\n(B) carbonic acid
\n(C) citric acid
\n(D) hydrochloric add
\nAnswer:
\n(D) hydrochloric add<\/p>\n

Question 19.
\nButtermilk contains the following acid : ( )
\n(A) citric acid
\n(B) tactic acid
\n(C) butyric acid
\n(D) carbonic acid
\nAnswer:
\n(B) tactic acid<\/p>\n

Question 20.
\nThe vitamin which is mostly present In citric acid : ( )
\n(A) vitamin A
\n(B) vitamin B12<\/sub>
\n(C) vitamin E
\n(D) vitamin C
\nAnswer:
\n(D) vitamin C<\/p>\n

\"TS<\/p>\n

Question 21.
\nThe substance that does not show acidic property when dissolved In water: ( )
\n(A) HCl gas
\n(B) CO2<\/sub> gas
\n(C) SO2<\/sub> gas
\n(D) glucose
\nAnswer:
\n(D) glucose<\/p>\n

Question 22.
\nThe pH of blood is about ( )
\n(A) 4.8 to 7.5
\n(B) 6.4 to 6.9
\n(C) 7.32 to 7.45
\n(D) 1 to 2
\nAnswer:
\n(C) 7.32 to 7.45<\/p>\n

Question 23.
\nThe concentration of H ions in a solution whose pH is 8. ( )
\n(A) log 10-8<\/sup>
\n(B) 108<\/sup>
\n(C) 810<\/sup>
\n(D) 10-8<\/sup>
\nAnswer:
\n(D) 10-8<\/sup><\/p>\n

Question 24.
\nIf bases are heated we get : ( )
\n(A) non-metallic oxides
\n(B) metallic oxides
\n(C) neutral oxides
\n(D) amphoteric oxides
\nAnswer:
\n(D) amphoteric oxides<\/p>\n

Question 25.
\npH= ( )
\n(A) -log [H+<\/sup>]
\n(B) \\(\\frac{1}{\\log \\left[\\mathrm{H}^{+}\\right]} \\)
\n(C) \\(-\\frac{1}{\\log \\left[\\mathrm{H}^{+}\\right]} \\)
\n(D) both A & B
\nAnswer:
\n(A) -log [H+<\/sup>]
\n(B) \\(\\frac{1}{\\log \\left[\\mathrm{H}^{+}\\right]} \\)<\/p>\n

Question 26.
\nA common substance which behaves as a base in aqueous solution ( )
\n(A) CO2<\/sub>
\n(B) ZnO
\n(C) NH3<\/sub>
\n(D) P2<\/sub>O5<\/sub>
\nAnswer:
\n(C) NH3<\/sub><\/p>\n

Question 27.
\nCommon salt Is obtained by the neutralization of sodium hydroxide with ( )
\n(A) nitric acid
\n(B) carbonic acid
\n(C) sulphuric acid
\n(D) hydrochloric acid
\nAnswer:
\n(D) hydrochloric acid<\/p>\n

Question 28.
\nThe substances which are soapy to touch ( )
\n(A) acids
\n(B) alcohols
\n(C) diamonds
\n(D) bases
\nAnswer:
\n(D) bases<\/p>\n

\"TS<\/p>\n

Question 29.
\nWhich of the following has the highest pH value? ( )
\n(A) lemon Juice
\n(B) grape Juice
\n(C) urine
\n(D) blood
\nAnswer:
\n(B) grape Juice<\/p>\n

Question 30.
\nIdentify the base among: ( )
\n(A) SO2<\/sub>
\n(B) SO3<\/sub>
\n(C) NH3<\/sub>
\n(D) P2<\/sub>O5<\/sub>
\nAnswer:
\n(C) NH3<\/sub><\/p>\n

Question 31.
\nThe anhydride of Carbonic acid ( )
\n(A) CO2<\/sub>
\n(B) CO
\n(C) SO2<\/sub>
\n(D) N2<\/sub>O3<\/sub>
\nAnswer:
\n(A) CO2<\/sub><\/p>\n

Question 32.
\nThe pH range of acids is ( )
\n(A) 7 to 14
\n(B) 0 to 14
\n(C) 5 to 12
\n(D) 0 to 7
\nAnswer:
\n(D) 0 to 7<\/p>\n

Question 33.
\nThe pH range of bases is ( )
\n(A) 0 to 14
\n(B) 7 to 14
\n(C) 5 to 12
\n(D) 10 to 7
\nAnswer:
\n(B) 7 to 14<\/p>\n

Question 34.
\nThe antacid tablets contain ( )
\n(A) strong acid
\n(B) strong base
\n(C) weak acid
\n(D) weak base
\nAnswer:
\n(D) weak base<\/p>\n

Question 35.
\nAqueous solutions of non-metallic oxides are : ( )
\n(A) bases
\n(B) acids
\n(C) salts
\n(D) hydrides
\nAnswer:
\n(B) acids<\/p>\n

Question 36.
\nThe pH of gastric Juice \u00eas ( )
\n(A) O
\n(B) 7
\n(C) >7
\n(D) <7
\nAnswer:
\n(D) <7<\/p>\n

Question 37.
\n“NaOH is a strong base” – the reason is ( )
\n(A) It gives large number of Na+<\/sup> ions
\n(B) its ionization Is less
\n(C) gives large number of H+<\/sup> ions
\n(D) none of these
\nAnswer:
\n(A) It gives large number of Na+<\/sup> ions<\/p>\n

\"TS<\/p>\n

Question 38.
\nThe negative logarithm of hydrogen ion molar concentration in a solution is called ( )
\n(A) Avogadro numter
\n(B) oxidation number
\n(C) pH
\n(D) molarity
\nAnswer:
\n(C) pH<\/p>\n

Question 39.
\nAcids form the following ions In water ( )
\n(A) H3<\/sub>O
\n(B) OH–<\/sup>
\n(C) H+<\/sup>
\n(D) HO–<\/sup>2<\/sub>
\nAnswer:
\n(A) H3<\/sub>O<\/p>\n

Question 40.
\nTo prevent tooth decay we have to use toothpastes more of ……………………… nature. ( )
\n(A) acidic
\n(B) basic
\n(C) saltish
\n(D) neutral
\nAnswer:
\n(B) basic<\/p>\n

Question 41.
\nThe ionic compounds which are produced by the neutralization of acid with base are ( )
\n(A) alkalies
\n(B) de-odourants
\n(C) antacids
\n(D) salts
\nAnswer:
\n(D) salts<\/p>\n

Question 42.
\nAqueous solution of sodium chloride is called : ( )
\n(A) hypo
\n(B) brine
\n(C) phenol
\n(D) alcohol
\nAnswer:
\n(B) brine<\/p>\n

Question 43.
\nThe chemical formula of Baking soda : ( )
\n(A) NaHCO3<\/sub>
\n(B) Na2<\/sub>CO3<\/sub>
\n(C) Na2<\/sub>SO4<\/sub>
\n(D) Na2<\/sub>S2<\/sub>O3<\/sub>
\nAnswer:
\n(A) NaHCO3<\/sub><\/p>\n

Question 44.
\nThe chemical formula of bleaching powder: ( )
\n(A) Ca(OH)2<\/sub>
\n(B) CaHCO3<\/sub>
\n(C) CaOCl2<\/sub>
\n(D) NaHCO3<\/sub>
\nAnswer:
\n(C) CaOCl2<\/sub><\/p>\n

Question 45.
\nThe salt used in removing permanent hardness of water ( )
\n(A) sodium hydrogen carbonate
\n(B) sodium thiosulphate
\n(C) sodium chloride
\n(D) sodium carbonate
\nAnswer:
\n(D) sodium carbonate<\/p>\n

Question 46.
\nThe number of water molecules present in one formula unit of sodium carbonate : ( )
\n(A) 5
\n(B) 10
\n(C) 7
\n(D) 2
\nAnswer:
\n(B) 10<\/p>\n

Question 47.
\nThe chemical formula of hydrated copper sulphate is : ( )
\n(A) CuSO4<\/sub>.7H2<\/sub>O
\n(B) CuSO4<\/sub>.10H2<\/sub>O
\n(C) CuSO4<\/sub>.2H2<\/sub>O
\n(D) CuSO4<\/sub>.5H2<\/sub>O
\nAnswer:
\n(D) CuSO4<\/sub>.5H2<\/sub>O<\/p>\n

Question 48.
\nThe common name of calcium sulphate hemihydrate is ( )
\n(A) Plaster of paris
\n(B) Blue vitriol
\n(C) Baking soda
\n(D) Hypo
\nAnswer:
\n(A) Plaster of Paris<\/p>\n

Question 49.
\nBaking soda on heating Is converted into: ( )
\n(A) alum
\n(B) washing soda
\n(C) caustic soda
\n(D) hypo
\nAnswer:
\n(B) washing soda<\/p>\n

Question 50.
\nThe chemical formula of milk of magnesia is ( )
\n(A) MgCO3<\/sub>
\n(B) MgCl
\n(C) Mg(OH)2<\/sub>
\n(D) MgSO4<\/sub>
\nAnswer:
\n(C) Mg(OH)2<\/sub><\/p>\n

Question 51.
\nWhich of the following elements forms an acidic oxide? ( )
\n(A) Mg
\n(B) Na
\n(C) P
\n(D) Al
\nAnswer:
\n(C) P<\/p>\n

\"TS<\/p>\n

Question 52.
\npH for base is more than ………….. . ( )
\n(A) 4
\n(B) 3
\n(C) 7
\n(D) 5
\nAnswer:
\n(C) 7<\/p>\n

Question 53.
\nH2<\/sub>O+ …………………….. \u2192 H3<\/sub>O+<\/sup> ( )
\n(A) H+<\/sup>
\n(B) OH–<\/sup>
\n(C) H2<\/sub>O
\n(D) H3<\/sub>O
\nAnswer:
\n(A) H+<\/sup><\/p>\n

Question 54.
\nWhich of the following substance has the lowest pH value? ( )
\n(A) sugar
\n(B) tomato juice
\n(C) vineger
\n(D) washing soda
\nAnswer:
\n(C) vineger<\/p>\n

Question 55.
\nThe acid forms In stomach is …………………………… ( )
\n(A) HCl
\n(B) H2<\/sub>SO4<\/sub>
\n(C) CH3<\/sub>COOH
\n(D) HNO3<\/sub>
\nAnswer:
\n(A) HCl<\/p>\n

Question 56.
\nMany salts absorb water from atmosphere this property is called ………………….. .()
\n(A) Crystallisatlon
\n(B) Hydration
\n(C) Deliquenscene
\n(D) Efflorescene
\nAnswer:
\n(A) Crystallisatlon<\/p>\n

Question 57.
\nNon-metallIc oxides are …………………….. In nature. ( )
\n(A) neutral
\n(B) basic
\n(C) acidic
\n(D) non-metallic
\nAnswer:
\n(C) acidic<\/p>\n

Question 58.
\nThe acidity of acids Is formed due to ……………………. produced. ( )
\n(A) H+<\/sup> or H3<\/sub>O+<\/sup> ions
\n(B) OH–<\/sup> ions
\n(C)Cl–<\/sup>
\n(D) Mg2+<\/sup>
\nAnswer:
\n(A) H+<\/sup> or H3<\/sub>O+<\/sup> ions<\/p>\n

Question 59.
\nThe acid is …………………… ( )
\n(A) dry HCl gas
\n(B) NaOH solution
\n(C) Na2<\/sub>SO4<\/sub>
\n(D) Aqueous solution of HCl
\nAnswer:
\n(D) Aqueous solution of HCl<\/p>\n

Question 60.
\nWeak acid is ………………… ( )
\n(A) HCl
\n(B) NaOH
\n(C) Mg(OH)2<\/sub>
\n(D) CH3<\/sub>COOH
\nAnswer:
\n(D) CH3<\/sub>COOH<\/p>\n

Question 61.
\nApproxImate pH value of milk is …………….. . ( )
\n(A) 3.4
\n(B) 6.6
\n(C) 7.5
\n(D) 9
\nAnswer:
\n(B) 6.6<\/p>\n

\"TS<\/p>\n

Question 62.
\n…………………… is produced by the action of chlorine on dry slaked lime. ( )
\n(A) Bleaching powder
\n(B) Washing soda
\n(C) Baking soda
\n(D) Sodium chloride
\nAnswer:
\n(A) Bleaching powder<\/p>\n

Question 63.
\nThe calcium sulphate hemi hydrate is …………………….. . ( )
\n(A) Gypsum
\n(B) Slaked lime
\n(C) Plaster of Paris
\n(D) Quick lime
\nAnswer:
\n(C) Plaster of Paris<\/p>\n

Question 64.
\nOn dissolving bases In water produces …………………. ions. ( )
\n(A) hydrogen
\n(B) hydroxide
\n(C) chlorine
\n(D) magnesium
\nAnswer:
\n(B) hydroxide<\/p>\n

Question 65.
\nAcid rain occurs when pH value of rain water is less than ……………………….. .
\n(A) 6.5
\n(B) 5.6
\n(C) 7.2
\n(D) 2.7
\nAnswer:
\n(B) 5.6<\/p>\n

Question 66.
\n………………………. is a mild non-corrosive base.
\n(A) Baking soda
\n(B) Bleaching Powder
\n(C) Plaster of Paris
\n(D) Gypsum
\nAnswer:
\n(A) Baking soda<\/p>\n

Question 67.
\nLitmus solution is a dye extracted from ………………. . ( )
\n(A) Tree
\n(B) Aloevera
\n(C) Uchen
\n(D) Litmus
\nAnswer:
\n(C) Uchen<\/p>\n

Question 68.
\nTo overcome Indigestion problem ……………………… tablets are used. ( )
\n(A) antacid
\n(B) paracetamol
\n(C) aspirin
\n(D) acidity
\nAnswer:
\n(A) antacid<\/p>\n

Question 69.
\nThe process of dissolving an acid or a base in water is an ……………… process.
\n(A) exothermic
\n(B) endothermic
\n(C) neutralisation
\n(D) oxidation
\nAnswer:
\n(A) exothermic<\/p>\n

Question 70.
\nAcids or bases are mixed with ………………………. to dilute. ( )
\n(A) water
\n(B) carbon
\n(C) each other
\n(D) oxygen
\nAnswer:
\n(A) water<\/p>\n

Question 71.
\nAs the pH value increases from 7, it represents a ……………….. in H3<\/sub>O+<\/sup> ion concentration. ( )
\n(A) increase
\n(B) decrease
\n(C) disappearance
\n(D) addition
\nAnswer:
\n(B) decrease<\/p>\n

Question 72.
\nIf pH of rain water is less than 5.6, it is called …………………… ( )
\n(A) water
\n(B) heavy rain
\n(C) normal rain
\n(D) acid rain
\nAnswer:
\n(B) heavy rain<\/p>\n

Question 73.
\nChemical formula of common salt is …………………….. . ( )
\n(A) Na2<\/sub>CO3<\/sub>
\n(B) NaCl
\n(C) NaHCO3<\/sub>
\n(D) CaSO4<\/sub>
\nAnswer:
\n(B) NaCl<\/p>\n

\"TS<\/p>\n

Question 74.
\nThe reagent used in the preparation of chloroform is …………………….. . ( )
\n(A) CaOCl2<\/sub>
\n(B) CaSO4<\/sub>
\n(C) NaHCO3<\/sub>
\n(D) Na2<\/sub>CO3<\/sub>
\nAnswer:
\n(A) CaOCl2<\/sub><\/p>\n

Question 75.
\nOne of the ingredlants in antacids is …………………. . ( )
\n(A) Na2<\/sub>CO3<\/sub>
\n(B) CaOCl2<\/sub>
\n(C) CaSO4<\/sub>
\n(D) NaHCO3<\/sub>
\nAnswer:
\n(D) NaHCO3<\/sub><\/p>\n

Question 76.
\n…………………… are sour to taste ard turn blue litmus to …………………. . ( )
\n(A) Bases, red
\n(B) Bases, blue
\n(C) Acids, red
\n(D) Acids, blue
\nAnswer:
\n(C) Acids, red<\/p>\n

Question 77.
\n…………………….. is example of synthetic indicator. ( )
\n(A) Acid
\n(B) Red litmus
\n(C) Blue litmus
\n(D) Phenolphthalein
\nAnswer:
\n(D) Phenolphthalein<\/p>\n

Question 78.
\nWhen base reacts with metal ………………………. gas is evolved. ( )
\n(A) O
\n(B) H2<\/sub>
\n(C) Cl2<\/sub>
\n(D) CO2<\/sub>
\nAnswer:
\n(B) H2<\/sub><\/p>\n

Question 79.
\nNon-metallic oxides are ……………………. in nature. ( )
\n(A) acidic
\n(B) basic
\n(C) neutral
\n(D) effervescence
\nAnswer:
\n(A) acidic<\/p>\n

Question 80.
\nMixing an acid or base with water is a process called …………….. . ( )
\n(A) dilution
\n(B) concentration
\n(C) addition
\n(D) substitution
\nAnswer:
\n(A) dilution<\/p>\n

\"TS<\/p>\n

Question 81.
\nThe pH value In acidic solution is ………………….. . ( )
\n(A) 7
\n(B) >7
\n(C) <7
\n(D) No value
\nAnswer:
\n(C) <7<\/p>\n

Question 82.
\nAcids that give less H3<\/sub>O+<\/sup> ions are said to be ………………… . ( )
\n(A) strong acid
\n(B) strong base
\n(C) weak base
\n(D) weak acid
\nAnswer:
\n(D) weak acid<\/p>\n

Question 83.
\nTooth decay starts when the pH of the mouth is lower than …………………….. . ( )
\n(A) 6.3
\n(B) 7.2
\n(C) 8.5
\n(D) 5.5
\nAnswer:
\n(D) 5.5<\/p>\n

Question 84.
\n…………………………… is also known as table salt or common salt. ( )
\n(A) sodium chloride
\n(B) sodium carbonate
\n(C) sodium hydrogen carbonate
\n(D) magnesium chloride
\nAnswer:
\n(A) sodium chloride<\/p>\n

Question 85.
\nBleaching powder is produced by the action of …………………… on dry slaked lime. ( )
\n(A) sodium
\n(B) chlorine
\n(C) magnesium
\n(D) hydrogen
\nAnswer:
\n(B) chlorine<\/p>\n

Question 86.
\n(1) Acid (A) Red cabbage solution ( )
\n(2) Base (B) Na2<\/sub>CO3<\/sub>
\n(3) Neutral (C) MgO
\n(4) Indicator (D) CO2<\/sub>
\n(5) SaIt (E) NaCI
\n(A) 1-A, 2-B, 3-C, 4-E, 5-D
\n(B) 1-C, 2-B, 3-A, 4-D, 5-E
\n(C) 1-D, 2-C, 3-E, 4-A, 5-B
\n(D) 1-D, 2-C, 3-A, 4-B, 5-E
\nAnswer:
\n(C) 1-D, 2-C, 3-E, 4-A, 5-B<\/p>\n

Question 87.
\nWhich one of the following types of medicines is used for treating indigestion ( )
\n(A) antibiotic
\n(B) analgesic
\n(C) antacid
\n(D) antiseptic
\nAnswer:
\n(C) antacid<\/p>\n

Question 88.
\nMany salts absorb water from atmosphere. This property is called ( )
\n(A) crystallisation
\n(B) hydration
\n(C) deliquescence
\n(D) efflorescence
\nAnswer:
\n(C) deliquescence<\/p>\n

Question 89.
\nThe natural Indicator among the following is ( )
\n(A) phenolphthalein
\n(B) Methyl orange
\n(C) Methyl red
\n(D) Litmus
\nAnswer:
\n(D) Litmus<\/p>\n

\"TS<\/p>\n

Question 90.
\nAn aqueous solution of sodium acetate will turn ( )
\n(A) Methyl orange yellow
\n(B) Red litmus blue
\n(C) Phenolphthaleiri solution pink
\n(D) all of these
\nAnswer:
\n(D) all of these<\/p>\n

Question 91.
\nAn aqueous solution of which of the following substances will conduct electric current? ( )
\n(A) ethyl alcohol
\n(B) acetic acid
\n(C) acetone
\n(D) ethen
\nAnswer:
\n(B) acetic acid<\/p>\n

Question 92.
\nThe acid formed In stomach which help in digestion is a dilute solution of ()
\n(A) HCl
\n(B) H2<\/sub>SO4<\/sub>
\n(C) CH3<\/sub>COOH
\n(D) Citric acid
\nAnswer:
\n(C) CH3<\/sub>COOH<\/p>\n

Question 93.
\nA few drops of methyl orange are added to a soap solution the colour of the solution becomes ( )
\n(A) Orange
\n(B) Yellow
\n(C) Pink
\n(D) Remains colourless
\nAnswer:
\n(B) Yellow<\/p>\n

Question 94.
\nA solution turned pink when a drop of phenolphthalein was added to it. Then the probable pH of that solution is …………………….. .( )
\n(A) 5
\n(B) 6
\n(C) 7
\n(D) 10
\nAnswer:
\n(D) 10<\/p>\n","protected":false},"excerpt":{"rendered":"

These\u00a0TS 10th Class Physical Science Bits with Answers Chapter 3 Acids, Bases, and Salts will help students to enhance their time management skills. TS 10th Class Physical Science Bits Chapter 3 Acids, Bases, and Salts Question 1. Which of the following is the most accurate way of showing neutralization? () (A) acid+base \u2192 acid-base solution … Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/posts\/14420"}],"collection":[{"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/comments?post=14420"}],"version-history":[{"count":4,"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/posts\/14420\/revisions"}],"predecessor-version":[{"id":14545,"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/posts\/14420\/revisions\/14545"}],"wp:attachment":[{"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/media?parent=14420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/categories?post=14420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tsboardsolutions.in\/wp-json\/wp\/v2\/tags?post=14420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}