Combustion and Flame-Fuel (CBSE (Central Board of Secondary Education- Board Exam) Class-8 Science): Questions 15 - 17 of 17

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Question number: 15

» Combustion and Flame » Fuel » Burning of Fuels Leads to Harmful Products

MCQ▾

Question

Burning of coal, diesel and petrol releases gases like:

Choices

Choice (4) Response

a.

Water gas

b.

CO2, CO

c.

SO2 and NO2

d.

Producer gas

Question number: 16

» Combustion and Flame » Fuel » Introduction to Fuel

MCQ▾

Question

On the basis of physical state fuels are divided in:

Choices

Choice (4) Response

a.

Raw fuels and processed fuels

b.

Natural fuels and manufactured fuels

c.

Solid fuels, Liquid fuels, gaseous fuels

d.

Both a. and b. are correct

Question number: 17

» Combustion and Flame » Fuel » Introduction to Fuel

MCQ▾

Question

Natural fuels are also called as:

Choices

Choice (4) Response

a.

Raw fuels

b.

Processed fuels

c.

Manufactured fuels

d.

All of the above

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