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Nitrogen & Sulphur and their inorganic Compounds

Total questions: 26

Worksheet time: 21mins

Name
Class
Date
1.

What is the molecular formula of Ammonia?

a)

NH

b)

NH₃

c)

NO₂

d)

N₂O

2.

Sulphur exists in several allotropes. Which one is the most stable at room temperature?

a)

Monoclinic Sulphur

b)

Rhombic Sulphur

c)

Liquid Sulphur

d)

Amorphous Sulphur

3.

Which of the following is the primary compound responsible for the pungent smell of rotten eggs?

a)

HNO₃

b)

SO₂

c)

H₂S

d)

N₂O₅

4.

What gas is evolved when concentrated nitric acid reacts with copper?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Nitrogen dioxide

5.

Which of the following sulphur compounds is a major component in acid rain?

a)

Sulphur Dioxide (SO₂)

b)

Hydrogen Sulphide (H₂S)

c)

Nitrogen Trioxide (N₂O₃)

d)

Dinitrogen Pentoxide (N₂O₅)

6.

What catalyst is commonly used in the Contact Process to convert SO₂ to SO₃?

a)

Vanadium (V) oxide

b)

Copper oxide

c)

Platinum chloride

d)

Nickel carbonate

7.

Which of the following reactions represents the preparation of Sulphur Dioxide in the lab?

a)

Heating ammonium dichromate

b)

Burning sulphur in air

c)

Dissolving nitric acid in water

d)

Heating dinitrogen pentoxide

8.

What is the primary industrial method of producing ammonia?

a)

Ostwald process

b)

Contact process

c)

Haber process

d)

Solvay process

9.

When Sulphur Dioxide (SO₂) is bubbled through water, it forms:

a)

Nitrous Acid

b)

Sulphurous Acid

c)

Nitric Acid

d)

Sulphuric Acid

10.

Which nitrogen oxide is known for its role in ozone depletion and is also a significant contributor to air pollution?

a)

Nitrogen Dioxide (NO₂)

b)

Nitric Oxide (NO)

c)

Dinitrogen Monoxide (N₂O)

d)

Dinitrogen Tetroxide (N₂O₄)

11.

Sulphuric Acid is commonly used in the production of fertilizers. What is the primary process involved in its production?

a)

Haber process

b)

Contact process

c)

Solvay process

d)

Frasch process

12.

Which gas is primarily responsible for the depletion of the ozone layer?

a)

SO₂

b)

NO

c)

NO₂

d)

N₂O₅

13.

True or False: Sulphur trioxide (SO₃) dissolves in water to form a weak acid.

a)

True

b)

False

14.

True or False: Dinitrogen Pentoxide (N₂O₅) is a white solid that decomposes into nitrogen and oxygen gas.

a)

True

b)

False

15.

True or False: Hydrogen sulphide (H₂S) is more toxic than carbon monoxide.

a)

True

b)

False

16.

What is the color of Nitrogen Dioxide (NO₂)?

a)

Colorless

b)

Brown

c)

Yellow

d)

Green

17.

What is the common name for Sulphuric Acid?

a)

Aqua Regia

b)

Battery Acid

c)

Muriatic Acid

d)

Vitriol

18.

What is the chemical formula for the compound commonly referred to as 'nitrous oxide'?

a)

CO₂

b)

N₂O

c)

H₂O

d)

O₃

19.

(a)   is a yellow, non-metallic element that smells like rotten eggs when in the form of hydrogen sulphide.

20.

The process of synthesizing nitric acid from ammonia through catalytic oxidation is referred to as the (a)   process.

21.

  1. Sulfur is used in the (a)   of rubber, which improves its elasticity and strength.

22.

What are two main environmental impacts of sulfur dioxide emissions?

4 lines
23.

SO₂ is a ______________ agent, meaning it tends to donate electrons and get oxidized.

4 lines
24.

Which of the following reactions will produce hydrogen gas?

a)

Zn + H₂SO₄ → ZnSO₄ + H₂

b)

Cu + H₂SO₄ → CuSO₄ + SO₂

c)

S + O₂ → SO₂

d)

Na₂SO₃ + HCl → NaCl + SO₂

25.

Which of the following equations represents the laboratory preparation of nitrogen?

a)

2Cu + O2 ​→ 2CuO

b)

NH4Cl + NaNO2 → NH4NO2 + NaCl

c)

Mg + N2 ​→ Mg3​N2​

d)
  • N2 ​+ 3H2​ → 2NH3​

26.

Explain why ammonia is collected by upward delivery during laboratory preparation.

4 lines