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Hydrogen

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Fill in the blanks:-

Water(super heated steam) is made to react with Carbon ________________ to form water gas.

a)

monoxide

b)

Carbonate

c)

White-hot coke

d)

(C)

2.

Give reasons:-

Hydrogen can be transferred from one container to the other.

a)

Because it is combustible

b)

As, It reacts with oxygen

c)

For no apparent reason 😜

d)

As, Hydrogen is lighter then Air.

3.

True or False:-

Hydrogen supports combustion, but is not combustible.

a)

True

b)

False

4.

Choose the correct option:-

Hydrogen reacts with active metals to form these.

a)

Nitrates

b)

Metal Carbonates

c)

Sulfates

d)

Metal Hydrides

5.

Fill in the blanks:-

Hydrogen combines with CO2 at a temperature of _______.c to form Methane and Water.

a)

300-400

b)

200-300

c)

1000-2000

d)

600-700

6.

Choose the correct option:-

Hydrogen is produced in Industries using this process.

a)

Haber-Bosch process

b)

Bosch process

c)

Rancidation

d)

Sublimation

7.

Choose the correct option:-

The flame of hydrogen is of this color.

a)

Blazing Red

b)

Fluorescent Green

c)

Dazzling White

d)

Pale Blue

8.

Name the following:-

Hydrogen combines with carbon to form these.

a)

Hydrocarbons

b)

I ran out of options 😅

c)

Oxides

d)

Hydrides

9.

Name the following:-

Hydrogen reacts with vegetable oil to form this.

a)

Oxyacetylene flame

b)

Vanaspati Ghee

c)

Electricity

d)

Rocket Fuel

e)

Ammonia

10.

Fill in the blanks:-

On passing an electric current through acidified water it dissociates into Hydrogen ions and ____________ ions.

a)

Oxygen (O-)

b)

Ammonium (NH4+)

c)

Hydroxyl (OH-)

d)

Sulfate (SO4-2)