Study of Compounds B. Ammonia Class 10 ICSE Chemistry MCQ Questions
Looking 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
Answer-Pungent
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
d) CH3COOH
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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