Coal and Petroleum-Petroleum [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 6 of 11

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Question 1

Question MCQ▾

Paraffin wax is used for:

Choices

Choice (4)Response

a.

Making candles, boot polish

b.

As a grease

c.

For air proofing in laboratories

d.

All a., b. and c. are correct

Edit

Question 2

Question MCQ▾

Composition of natural gas is:

Choices

Choice (4)Response

a.

Hydrocarbons mixed with oxygen, sulphur, nitrogen and other elements in varying proportion

b.

Methane with traces of ethane and propane

c.

It contains more than 90% carbon and is porous and black

d.

Mixture of hydrogen, methane and carbon monoxide

Edit

Question 3

Question MCQ▾

Household fuel is also known as:

Choices

Choice (4)Response

a.

LPG

b.

CNG

c.

Kerosene oil

d.

Both a. and c. are correct

Edit

Question 4

Question MCQ▾

The constituents of petroleum separated in the fractional distillation tower are:

Choices

Choice (4)Response

a.

Petrol, kerosene oil

AND

Natural gas, petroleum gas

b.

Diesel oil, fuel oil

c.

Lubricating oil, paraffin wax, bitumen

d.

All a., b. and c. are correct

Edit

Question 5

Question MCQ▾

Natural gas is used as:

Choices

Choice (4)Response

a.

To manufacture carbon

b.

A fuel in homes and in industry

c.

To manufacture hydrogen

d.

All a., b. and c. are correct

Edit

Question 6

Question MCQ▾

Natural gas is also known as:

Choices

Choice (4)Response

a.

Lubricating gas

b.

Petroleum gas

c.

Fuel gas

d.

Refinery gas

Edit