ICSE ACIDS BASES AND SALTS MCQs Class 10

ICSE CLASS 10 ACIDS BASES AND SALTS MULTILPLE CHOICE QUESTIONS

Choose the correct answer from A,B,C and D for each of the following statements.

Question 1

Which of the following acids is not a strong acid?

A) Hydrochloric acid

B) Carbonic acid

C) Nitric acid

D) Sulphuric acid

 

Question 2

A dibasic strong acid –

A) Acetic acid

B) Sulphurous acid

C) Sulphuric acid

D) Nitric acid

 

Question 3

The ions present in an acidic solution:

A) Hydroxyl ions

B) Hydrogen ions

C) Ammonium ions

D) Hydronium ions

 

Question 4

A strong acid when dissolved in water -

i) undergoes complete ionization

ii) undergoes partial ionization

iii) gives high concentration of hydronium ions

iv) gives low concentration of hydronium ions

 

A) i) only

B) i) and ii) are correct

C) i) and iii) are correct

D) i)  and iv)  are correct

 

Question 5

An alkali when dissolved in water gives _______ ions as the only ______ charged ions.

A) hydroxyl, negatively

B) hydroxyl, positively

C) Hydrogen, positively

D) Hydrogen, negatively

 

Question 6

Which of the following bases is soluble in water?

A) Copper hydroxide

B) Lead hydroxide

C) Zinc hydroxide

D) Sodium hydroxide

 

Question 7

Ammonium hydroxide is weak alkali because:

A) it undergoes partial dissociation and gives high concentration of Hydroxyl ions

B) it undergoes partial dissociation and gives low concentration of Hydroxyl ions

C) it undergoes complete dissociation and gives low concentration of Hydroxyl ions
D) it undergoes complete dissociation and gives high concentration of Hydroxyl ions

 

 

Question 8

When water combines with a Hydrogen ion it forms:

A) Hydronium ion

B) Ammonium ion

C) Hydroxyl ion

D) sulphate ion

 

Question 9

What type of salt that dilute Sulphuric acid can form when reacts with a base?

A)    acid salt

B)    basic salt

C)    neutral salt

D)    acid salt and neutral salt

 

Question10

 H₂SO₄ + 2H₂O gives -

A) 2H⁺ + SO₄^2-

B) H₃O⁺ + SO₄^2-
C) 2H₃O⁺ + SO₄^2-

D) 2H⁺ + SO₄^2-

 

Question 11

The partial neutralization of an acid by a base gives :

 

A) acid salt and water

B) acid salt only

C) acid salt and basic salt

D) neutral salt

 

Question 12

Which of the following is not acidic when dissolved in water?

A) NaOH

B) NaHSO₄

C) SO₂

D) HCl

 

Question 13

Which of the following compounds contains a low concentration of ions in its aqueous solution?

A) Acetic acid

B) Sodium hydroxide

C) Sulphuric acid

D) Nitric acid

 

Question 14

Match the following

i) pH = 7                                              a) dilute Sulphuric acid

ii) pH paper shows red                        b) Sodium hydroxide

iii) Phenolphthalein turns pink            c) distilled water

A) i-a, ii-b, iii-c

B) i-c, ii-b, iii-a

C) i-c, ii-a, iii-b

D) i-a, ii-c, iii-b

 

Question 15

When dilute Hydrochloric acid is added to  a metal carbonate it gives

A) Carbon dioxide gas

B) Sulphur dioxide gas

C) Chlorine gas

D) Hydrogen sulphide gas

 

Question 16

2NH₄Cl + Ca(OH)₂ à

A) 2NH₃ + 2H₂O

B) 2NH₃ + 2H₂O + CaCl₂

C) 2H₂O + CaCl₂

D) 2NH₃ + CaCl₂

 

 

Question 17

A base that can be prepared by the thermal decomposition of a metal nitrate:

A) Na₂O

B) CuO

C) CO₂

D) CO

 

Question 18

When Sulphur dioxide combines with water it gives

A) Sulphurous acid

B) Sulphuric acid

C) Sulphur

D) Hydrogen sulphide

 

Question 19

Which of the following indicators remains colourless in acidic medium?

A) Litmus solution

B) pH solution

C) Methyl orange

D) Phenolphthalein

 

Question 20

A mineral acid

A) Acetic acid

B) Citric acid

C) Lactic acid

D) Hydrochloric acid