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11 questions
Identify the fuel that leaves more smoke and ash on burning.
Solid fuel
Liquid fuels
Gaseous fuels
Any one of the above
What are the most common sources of energy used in automobiles?
Wood and coal
Petroleum and diesel
LPG and cow dung
Natural gas and coal
What are the most common sources of energy used in automobiles?
Wood and coal
Petroleum and diesel
LPG and cow dung
Natural gas and coal
Where is kerosene mainly used?
In laying down roads
As fuel in jet engines
In making water proof materials
In furnaces of industries
Which of the following properties is NOT a characteristic of a good fuel?
High Ignition temperature
Low cost
Causes minimum pollution
Readily available
How is coke superior than coal as a fuel?
Coal is mineral and burns releasing smoke while coke is a residue
Coal is an impure form of carbon, while coke is a pure form of carbon
Only coal consists of atoms of carbon, hydrogen , oxygen and sulphur while coke mainly consists of carbon
All of the above
Heat and _____________ transformed living things into fossil fuels.
pressure
air
gas
water
Name, Roll No and Section
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