Acids Bases and Salts Class 10 ICSE Chemistry MCQ Questions

Acids Bases and Salts Class 10 ICSE Chemistry MCQ Questions

Acids Bases and Salts Class 10 ICSE MCQ Question answerLooking for Acids Bases and Salts Class 10 ICSE Chemistry Chapter 3 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 chemistry Chapter 4 multiple choice questions and answers. All MCQ are important.

1) All acids have _______ as their constituent element.

a) OH-. b) H+. c) H2.      d) O2

Answer- H+

2) Rancid butter has _____acid present in it.

a) Formic acid b) Oleic acid c) Butyric acid.    d) Tartaric acid

Answer- Butyric acid

3) Tribasic acids can form ____ different salts and ___ normal salts as they have 3 replaceable hydrogen ions.

a) 3,2. b) 2,3. c) 2,2.  d) 2,1

Answer- 2,1

4) Chemical formula for sulphorours acid is _____

a) H2SO3. b) H2SO4. c) H2SO2.  D) NaHSO4

Answer- H2SO3

5) Oxygen along with Hydrogen is present in ___

a) Hydracids b) Strong acids c) Oxyacids.      d) Organic acids

Answer- Oxyacids

6) An acid which contains very small amount of water or no water at all is called as __

a) Concentrated acid.

b) dilute acid

c) Dibasic acid

d) Hydracid

Answer- Concentrated acid

7) Which among the following is Strong acid?

a) Dilute Hydrochloric acid

b) Concentrated Acetic acid

c) Both

d) Non of the above

Answer- Diluted hydrochloric acid

8) Methyl orange turns___ with acids.

a) Red

b) Purple

c) Pink

d) Colourless

Answer- Pink

9) Phosphoric acid is used as ____

a) Explosive

b) Cleaning

c) Flavoured drink

d) Fertilizer

Answer- Fertilizer

10) Gas evovoled during reaction of action metals with acids is __

a) O2

b) N2

c) H2

d) CO2

Answer- H2

11) A strong alkali undergoes ____ dissociation in aqueous solution.

a) Partial

b) Complete

c) 3/4th dissociation

d) Non of the above

Answer- Complete

12) The base that gives 2 OH- ions in their aqueous state is called as

a) Dibasic acid

b) Diacidic base

c) Dibasic base

d) Diacidic acid

Answer- Diacidic base

13) Metals carbonates decompose to give __ gas.

a) H2

b) SO2

c) O2

d) CO2

Answer- CO2

14) Ammonium hydroxide is prepared by which of the following reaction?

a) NH3+ H2O——NH4OH

b) N2+H2O——NH4OH

c) NH3+H2O—–NH3OH

d) NH2+H20—–NH4OH

Answer- NH3+H2O—–NH4OH

15) Bases are____electrolytes.

a) Weak electrolytes

b) Strong electrolytes

c) Both depending on electrolytic cell used.

d) Depending on electrodes used.

Answer- Strong electrolytes

16) Ammonium hydroxide is used as_____.

a) Drying agent

b) As an antacid

c) Manufacture of soap

d) To remove grease stains from clothes.

Answer-  To remove grease stains from clothes.

17) Which number represents neutral solution pH scale?

a) 4

b) 5

c) 6

d) 7

Answer- 7

18) Diseases are diagnosed mostly by ____

a) pH

b) Electrolytes

c) Acids

d) Bases

Answer- pH

19) Salts have_____.

a) High melting point low boiling point

b) Low melting point high boiling point

c) High melting point high boiling point

d) Low melting point low boiling point.

Answer- High melting point, high boiling point.

20) Example of basic salt____

a) [Pb(OH)Cl]

b) Mg(OH)2

c) H2SO4

d) H3PO4

21) Which substance is used to remove acidity of soil?

a) Zinc Hydroxide

b) Slaked lime

c) Calcium hydroxide

d) Magnesium hydroxide

Answer- Slaked lime

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Updated: November 27, 2022 — 2:54 am


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