General Science - Comprehensive Mock Test 10

Question 91 Easy

The products of combustion are?

A) Carbon dioxide and water B) Oxygen and water C) Only carbon dioxide D) Only oxygen

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Question 92 Easy

Combustion is a?

A) Chemical process B) Physical process C) Both of these processes D) None of these processes

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Question 93 Easy

Ignition temperature is?

A) Lowest temperature at catch fire B) Higher temperature at catch fire C) Any temperature D) None of these

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Question 94 Easy

CNG and LPG are the examples of?

A) Solid fuels B) Liquid fuels C) Gaseous fuels D) They are not fuels

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Question 95 Medium

The substances which have very low ignition temperature will?

A) Catch fire easily B) Will not catch fire C) Catch fire after some time D) None of these

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Question 96 Medium

Burning of charcoal in a closed room will produce?

A) Carbon dioxide B) Nitrogen dioxide C) Carbon monoxide D) All of these

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Question 97 Easy

Coal burns with ______?

A) Flame B) Only glow C) Both flame and glow D) None of these

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Question 98 Medium

Like fuel the sun also provides heat and light. The process taking place in the sun is called?

A) Combustion B) Nuclear process C) Burning D) All of these

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Question 99 Medium

Which substance give heat and light after combustion?

A) Flame B) Fuel C) Combustion D) None of these

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Question 100 Medium

Which of the following is obtained from coal tar ?

A) Petrol B) Coke C) Air D) Naphthalene balls

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