MCQ Class 10 Science Acids Bases and Salt with Answers

CBSE Class 10 Science Chapter 2 Acid, Bases and Salt Multiple Choice Questions with Answers. MCQ Class 10 Science Acid, Bases and Salt with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Acid, Bases and Salt MCQs with Answers to know their preparation level.

Multiple Choice Questions - Set - 2

Question 1: 

In terms of acidic strength, which one of the following is in the correct increasing order?
(a) Water < Acetic acid < Hydrochloric acid
(b) Water < Hydrochloric acid < Acetic acid
(c) Acetic acid < Water < Hydrochloric acid
(d) Hydrochloric acid < Water < Acetic acid

Correct Answer – (A)

Question 2 : 

When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to
(a) absorb the evolved gas
(b) moisten the gas
(c) absorb moisture from the gas
(d) absorb Cl ions from the evolved gas

Correct Answer – (C)

Question 3 : 

When a base reacts with a metal, it forms a salt and hydrogen gas is released. By what method can the presence of hydrogen be detected?

(A) by water

(B) by litmus paper

(C) by methyl orange

(D) by a burning candle

Correct Answer – (D)

Question 4 : 

What happens when a solution of an acid is mixed with a solution of a base in a test tube?

(i) The temperature of the solution increases

(ii) The temperature of the solution decreases

(iii) The temperature of the solution remains the same

(iv) Salt formation takes place

(A) (i) only

(B) (i) and (iii)

(C) (ii) and (iii)

(D) (i) and (iv)

Correct Answer – (D)

Question 5 : 

In which pH range does our body work to survive in the atmosphere?

(A) 5.5 to 8.5

(B) 7.0 to 7.8

(C) 2.3 to 7.0

(D) 7.5 to 12.5

Correct Answer – (B)

Question 6 : 

Which one of the following salts does not con-tain water of crystallisation?
(a) Blue vitriol
(b) Baking soda
(c) Washing soda
(d) Gypsum

Correct Answer – (B)

Question 7 : 

What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases
(ii) Temperature of the solution increases
(in) Temperature of the solution remains the same
(iv) Salt formation takes place
(a) (i) and (iv)
(b) (i) and (iii)
(c) (ii) only
(d) (ii) and (iv)

Correct Answer – (D)

Question 8 : 

Which salt is Acidic in nature?

(A) NH4Cl

(B) CH3COONH4

(C) NaCl

(D)Na2CO3

Correct Answer – (A)

Question 9 : 

What is the chemical formula of POP (Plaster of Paris)?

(A) CaSO4.2H2O

(B) CaSO4.3H2O

(C) CaSO4.1/2H2O

(D) CaCO3.1/2H2

Correct Answer – (C)

Question 10 : 

An aqueous solution turns the red litmus solution blue. Excess addition of which of the following solutions would reverse the change?

(A) Baking powder

(B) Lime

(C) Ammonium hydroxide solution

(D) Hydrochloric acid

Correct Answer – (D)

Multiple Choice Questions – Chapter 1 – Chemical Reactions and Equation

Related Posts

Leave a Reply