C. Say whether the statements are true
or false.
1. The ignition temperature of coal is high;
hence it is easy to ignite.
2. During an explosion, a large amount of gas
is evolved.
3. Water should be used to extinguish a fire
caused by electricity.
4. Pouring water on a flame not only cools
the burning substance but also cuts off the
air supply
5. In a candle, wax melts and then burns. The
change which results in the evolution of
heat is the melting of wax.
6. In a candle flame, the innermost part is the
hottest and the outermost part is the coolest
zone.
7. Every combustible substance is a fuel.
8. Hydrogen has the highest calorific value
among all fuels and it has no emissions
other than water vapour.
9. Burning of coal in thermal power plants can
result in acid rain.
10. Soot a by-product of combustion is not
harmful for us as it consists of only carbon.
PLZ TELL ME THE ANSWER FAST....ITS URGENT.....AND PLZ GIVE THE CORRECT ANSWER WITH REASON IF POSSIBLE.....IF THE ANSWERS WILL BE CORRECT I WILL MARK IT AS THE BRAINLIEST..!!....PLZ PLZ PLZ PLZ GIVE ME FAST
Answers
Answered by
14
Answer:
1 . false
2. true
3. false
4. true
5. true
6.true
7. false
8 . false
9. false
10. false
Answered by
3
ANSWER:
1.false
2.true
3.false
4.true
5.true
6.true
7.false
8.false
9.false
10.false
HOPE IT WILL HELP U
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