Worksheet 10
COMBUSTION AND FLAME
Answer the following Questions.
1. What is Combustion?
2. Name the petroleum product used for
surfacing of roads.
3. What is ignition temperature?
4. Name the unit in which the calorific
value of a fuel is expressed.
5. What do you mean by fossil fuel?
6. How coal is formed from dead
vegetation. What is this process called ?
7. What is Acid Rain?
8. Where do we get coal from and how is
it formed?
9. Why fossil fuels are exhaustible
natural resources?
10.
What
are the advantages of using CNG and LPG as fuel?
11.
Name
the different types of combustion.
12.
How
do we control Fire?
13.
How
does the burning of a candle differ from the burning of coal?
14.
Define
ignition temperature.
15.
Which
product formed when charcoal burns in air?
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