ICSE CHEMISTRY MCQs on Practical Chemistry

ICSE Multiple choice Questions on Practical Chemistry

 

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

Question 1

The gas with greenish yellow colour

A) Hydrogen gas

B) Oxygen gas

C) Chlorine gas

D) Ammonia gas

 

Question 2

The observation when Sodium chloride is heated with Conc. Sulphuric acid:

A) A colourless pungent odour gas which turns Nessler’s reagent to brown

B) A colourless gas which gives dense white fumes with Ammonia gas

C) A gas with rotten egg smell which turns Lead acetate paper to silvery black

D) Reddish brown vapours evolved

 

Question 3

When dilute Hydrochloric acid is added to Silver nitrate solution

A) A white precipitate is formed which dissolves in excess Ammonium hydroxide

B) A white precipitate is formed which is insoluble in excess Ammonium hydroxide

C) A white precipitate which dissolves on heating

D) No precipitate is formed

 

Question 4

A salt ‘X’ gives brisk effervescence of a colourless gas which turns lime water milky but has no effect on acidified KMnO₄ solution. The anion present in the salt ‘X’ is

A) Sulphide ion

B) Nitrate ion

C) Carbonate ion

D) Sulphite ion

 

 

Question 5

The cation present in the salt which gives lilac flame in flame test:

A) Potassium ion

B) Calcium ion

C) Copper ion

D) Sodium ion

 

Question 6

The gas which turns lime water milky and acidified Potassium dichromate to clear green solution:

A) Sulphur dioxide gas

B) Carbon dioxide gas

C) Hydrogen chloride gas

D) Carbon dioxide gas

 

Question 7

Which of the following salts would give a bluish white precipitate with barium chloride solution and the precipitate is insoluble in dilute Nitric acid?

A) Zinc sulphate

B) Copper (II) sulphate

C) Silver nitrate
D) Copper chloride

 

Question 8

Which of the following gases turns moist red litmus to blue?

A) Hydrogen chloride gas

B) Chlorine gas

C) Ammonia gas

D) Oxygen gas

 

Question 9

Which of the following reagents gives a white precipitate with dilute Hydrochloric acid but not with dilute Nitric acid?

A)    Lead chloride

B)    Lead nitrate solution

C)    Sodium chloride solution

D)    Nessler’s reagent

 

Question 10

Which of the following cations would give a white precipitate with Sodium hydroxide but not with Ammonium hydroxide?

A) Calcium ion

B) Zinc ion
C) Ferrous ion

D) Lead ion

 

Question 11

Which of the following precipitates dissolves in excess Ammonium hydroxide and gives a deep blue solution?

A) Zinc hydroxide

B) Lead hydroxide

C) Ferrous hydroxide

D) Copper hydroxide

 

Question 12

The ion present in the salt solution which gives a Gelatinous white precipitate with small amount of Ammonium hydroxide

 

A) Cu²⁺

B) Zn²⁺

C) Fe²⁺

D) Pb²⁺

 

Question 13

Sodium hydroxide solution is added to Lead nitrate solution in small amounts first  and then in excess amount:

A) White precipitate is formed then dissolved

B) White precipitate is formed and remains precipitate

C) Blue precipitate is formed which dissolves in excess NaOH

D) Blue precipitate insoluble in excess NaOH

 

Question 14

Ferrous hydroxide:

A) dissolves in excess NaOH but not in Excess Ammonium hydroxide

B) dissolves in excess Ammonium hydroxide but not in Excess Sodium hydroxide

C) Soluble in both NaOH and NH₄OH in excess

D) insoluble in both of NaOH and NH₄OH

 

Question 15

Which of the following compounds is soluble in excess Sodium hydroxide but not in Ammonium hydroxide?

A) Cu(OH)₂

B) Pb(OH)₂

C) Zn(OH)₂

D) Fe(OH)₂