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Quiz on on Important Fuels and their Composition

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Question 1

Compressed natural gas mainly consists of which gas?

Question 2

Producer gas is:

Question 3

Water-gas is the mixture of which of the following?

Question 4

Cooking gas is a mixture of

Question 5

The gas, which usually causes explosions in coal mines is

Question 6

The main constituent of Gobar gas is

Question 7

Oil gas is obtained by

Question 8

A change in which a substance undergoes a change in its physical properties is called ___________.

Question 9

Which one of the following is both physical and chemical change?

Question 10

Highest percentage of carbon is found in which form of coal?

Question 11

Which one of the following is not a type of coal?

Question 12

Which of the following is known as “Brown Coal “?

Question 13

The hottest part of the gas flame is known as

Question 14

The head of the matchstick contains _______ and small amount of ______?

Question 15

Octane number is related to quality of

Question 16

Why is water not suitable for putting out a petrol fire?

Question 17

As a quality measurement parameter cetane number is mainly used for measuring the quality of

Question 18

What is baking soda?

Question 19

Which one of the following is a physical change?

Question 20

Which of the following statements is incorrect with respect to Chemical change?

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Jun 2SSC & Railway