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COMBUSTION AND FLAME

Authored by POCHANA RAJKUMAR

Chemistry, Science

8th Grade

NGSS covered

Used 91+ times

COMBUSTION AND FLAME
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40 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Coal burns with__________

Flame

Only Glow

Both flame & glow

None of these

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Combustion is a ____________

Physical process

Chemical process

Both of these processes

None of these

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

CNG & LPG are examples of

Solid fuels

Liquid fuels

Gaseous fuels

They are not fuels

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

There are following zones of flame

Two

Four

Three

No zone

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The substance which have very low ignition temperature will

Catch fire easily

Will not catch fire

Catch fire after sometime

None of these

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Burning of charcoal in room will produce

Carbon dioxide

Nitrogen dioxide

Carbon monoxide

All of these

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Substance which catch fire are called

Acids

Bases

Burners

Combustible

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