
Combustion And Flame
Authored by Aysha Nashwa
Chemistry, Science
8th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the sun, heat and light are produced by
Rapid combustion
Explosion
Nuclear reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon Dioxide being lighter than oxygen covers the fire like a blanket
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_________ is used to increase the friction of rubbing surface in a matchbox
Red phosphorus
Glass powder
Antimony trisulphate
Pottasium chlorate
4.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Pinewood dipped in ____________ were used as matches in ancient Egypt
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The three essential requirements for combustion are
Fuel, heat, Ignition temperature
Fuel, air, combustible substance
Fuel, oxygen, heat
6.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
In modern day matches, Pottasium chlorate in the matchstick reacts with white phosphorus to ignite____________
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Explosion can also take place if _____________ is applied on the cracker
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