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Combustion and Flame Quiz

Authored by Scooby Doo

Chemistry

8th Grade

Used 1+ times

Combustion and Flame Quiz
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ________ process in which a substance reacts with ______ to give off heat is called combustion.

combustion

oxygen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the cloths of a person catch ______, the person is covered with a ______ to extinguish fire.

fire

blanket

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ______ temperature at which a substance catches fire is called its ______.

ignition

flashpoint

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The substances which have very ______ ignition temperature and can easily catch fire with a flame are called ______ substances.

low

flammable

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

The substances which vaporize during ______ give flame.

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Two glass jars A and B filled with carbondioxide and oxygen gases respectively. In each jar a lighted candle is placed simultaneously. In which jar will be the candle remain lighted for a long time and why?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Joseph wants to boil water quickly in a test tube. On observing the different zones of the flame, he is not able to decide which zone of the flame will be best for boiling water quickly. Can you give proper suggestion to do this activity?

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