Combustion Quiz

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Combustion Quiz for class 8

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Chemistry

India

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Combustion Quiz


Froggy Jumps Combustion QuizOnline version Combustion Quiz for class 8 by Chemistry 1 Wood, paper, CNG are __________ substances. a Combustible b Incombustible c non-combustible 2 The substance that does NOT burn with flame is a LPG b Dry Grass c Charcoal 3 Which of the following is NOT an example of spontaneous combustion a Forest fire b Burning of charcoal c Burning of white Phosphorus in air 4 Which among the following is considered as the cleanest fuel? a Kerosene oil b Hydrogen Gas c Petrol 5 Rapid combustion occurs when a substance: a Burns very slowly b Burns quickly with heat and light c Catches fire on its own 6 Which of the following shows rapid combustion? a LPG b Wet Wood c Rusting of Iron 7 Spontaneous combustion means: a Fire caused by friction b Fire caused by high ignition temperature c Fire without any apparent cause 8 Which of the following can undergo spontaneous combustion? a Kerosene b White Phosphorus c Red Phosphorus 9 An explosion is a combustion that: a Happens very slowly b Produces only smoke and light c Produces sound, heat, light and releases gases suddenly 10 Complete combustion requires: a Limited Oxygen b No Oxygen c Excess Oxygen 11 In complete combustion, the products formed are: a Carbon Monoxide + Water b Carbon Dioxide + Water c Soot + Water 12 An explosive material is tightly packed in a sealed container. Why does this make the explosion more violent? a The container cools the reaction b The pressure inside builds up until the container bursts c The container prevents oxygen from entering 13 Shyam was cooking potato curry on a chulha. To his surprise he observed that the copper vessel was getting blackened from outside. It may be due to: a improper cooking of potato curry. b burning of copper vessel. c improper combustion of the fuel. 14 The substances which __________ during combustion, give flame. a Vapourise b give smoke c give soot 15 Explosion can also take place is _______ is applied on cracker a Speed b Pressure c Light

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Combustion Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Combustion QuizOnline version

by Chemistry

Wood, paper, CNG are __________ substances.

The substance that does NOT burn with flame is

Which of the following is NOT an example of spontaneous combustion

Which among the following is considered as the cleanest fuel?

Rapid combustion occurs when a substance:

Which of the following shows rapid combustion?

Spontaneous combustion means:

Which of the following can undergo spontaneous combustion?

An explosion is a combustion that:

Complete combustion requires:

In complete combustion, the products formed are:

An explosive material is tightly packed in a sealed container. Why does this make the explosion more violent?

Shyam was cooking potato curry on a chulha. To his surprise he observed that the copper vessel was getting blackened from outside. It may be due to:

The substances which __________ during combustion, give flame.

Explosion can also take place is _______ is applied on cracker