Study of Compounds B. Ammonia Class 10 ICSE Chemistry MCQ Questions

Study of Compounds B. Ammonia Class 10 ICSE Chemistry MCQ Questions

Study of Compounds B Ammonia Class 10 ICSE Chemistry MCQ question answersLooking for Study of Compounds B. Ammonia Class 10 ICSE Chemistry Chapter 9 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 chemistry Chapter 9 multiple choice questions and answers. All MCQ are important.

1) Molecules mass of ammonia is

a) 13

b) 14

c) 16

d) 17

Answer- 17

2) Ammonia has ___smell

a) Rotten egg

b) Fishy

c) Pungent

d) Odourless


3) Liquor Ammonia is ___

a) Ammonia+ acetone

b) Ammonia+ alcohol

c) Ammonia+ toulene

d) Ammonia+ water

Answer- Ammonia+ water

4) Boiling point of liquid ammonia is

a) -55°C

b) -33.5°C

c) -77°C

d) -18.5°C

Answer- -33.5°C

5) Freezing point of ammonia is

a) 0°C

b) -15°C

c) -66°C

d) -77.7°C

Answer- -77°C

6) During fountain experiment carried out for Ammonia the colour of fountain that can be seen in round bottom flask is ___

a) Blue

b) Red

c) Pink

d) Purple

Answer- Blue

7) Ammonia is ___

a) Highly poisonous

b) Slightly poisonous

c) Non-poisonous

d) Poisonous in gaseous state

Answer- Non-poisonous

8) Vapour density of ammonia is__

a) 6.5

b) 8.5

c) 7.5

d) 2.5

Answer- 8.5

9) 1 volume of water dissolves___volumr of ammonia.

a) 502

b) 202

c) 602

d) 702

Answer- 702vols

10) During laboratory preparation of ammonia the reactant used with Ammoinum chloride is___

a) Potassium hydroxide

b) Sodium hydroxide

c) Lead oxide

d) Calcium hydroxide

Answer- Calcium hydroxide

11) Catalytic oxidation of ammonia takes place in presence of __

a) Lead

b) Platinum

c) Silver

d) Iron

Answer- Platinum

12) Reactants used during manufacturing of ammonia by Haber’s process.

a) Nitrogen and hydrogen

b) Hydrogen and Sulphur

c) Nitrogen and Sulphur

d) Carbon and hydrogen

Answer- Nitrogen and hydrogen

13) Catalyst used during Haber’s process is ___

a) Nickel

b) Iron

c) Cobalt

d) Platinum

Answer- Iron

14) Pressure required during formation of aqueous Ammonia in Haber’s process is ____.

a) 100atm

b) 300atm

c) 200atm

d) 500atm

Answer- 200atm

15) Which promoter is used in Haber’s process?

a) Iron

b) Nickel

c) Molybdenum

d) Zinc

Answer- Molybdenum

16) The number of lone pairs present in Ammonia are__

a) 0

b) 1

c) 2

d) 3

Answer- 1

17) Ammonia on reaction with HNO3 gives___.

a) Ammonium hydroxide

b) Ammonium chloride

c) Ammonium sulphate

d) Ammonium nitrate

Answer- Ammonium nitrate

18) The colour formed during the reaction of ammonium sulphate with iron hydroxide is___

a) Reddish brown

b) Pale blue

c) White

d) Dirty green

Answer- dirty green

19) If inhaled in large quantities ammonia can cause___

a) Headache

b) Stomach ache

c) Death due to heart stimulation

d) No effect

Answer- Death due to heart stimulation

20) Burning of ammonia in oxygen gives ___colour.

a) Bluish green

b) Red colour

c) Pink

d) Yellowish green

Answer- yellowish green

21) Ammonia turns Phenolpthelin colourless to____.

a) Pink

b) Yellow

c) Blue

d) No change

Answer- Pink

22) Ammonia is used in manufacturing of____.

a) Sodium carbonate

b) Nitrogenous fertilizer

c) Explosive

d) All of these

Answer- All of these

23) Ammonium salt gives___ colour with nessler’s reagent.

a) Green

b) Brown

c) Red

d) White

Answer- Brown

24) Ammonia gives dense white fumes with____.

a) HNO3

b) H2SO4

c) HCl


Answer- HCl

25) Ammonia is obtained by action of warm water on___

a) Aluminium nitride

b) Magnesium nitride

c) Both

d) None of these

Answer- Both

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Updated: December 5, 2022 — 10:20 pm

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