1. State True or false: Natural gas is stored under high pressure as compressed natural gas.
A) true
B) false
2. Choose the correct answer: The substance which undergoes combustion and is combustible is known
as ____________.
A) ash
B) fuel
C) flame
D) None of these
3. State True or false: Kerosene is not a fossil fuel.
A) true
B) false
4. Fill in the blanks: The slow process of conversion of dead vegetation into coal is called
_____________.
5. Choose the correct answer: Coal can be used as a __________.
A) fertilizers
B) pesticides
C) fuels
D) None of these
6. Why is coal called fossil fuel?
7. Fill in the blanks: The substances formed from natural gas and petroleum are called
___________________.
8. State True or false: Petroleum is an exhaustible natural resource.
A) true
B) false
Answers
Answer:
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Explanation:
1) true
2) fuel
3) false
4) carbonisation
5) fuels
6) Coal is called a fossil fuel because it was made from plants that were once alive! Since coal comes from plants, and plants get their energy from the sun, the energy in coal also came from the sun. The coal we use today took millions of years to form. ... Heat and pressure turned the dead plants into coal.
7) Fossil fuels
8) true
true
a fuel
false
carbonization
fuel
Coal is called a fossil fuel because it was made from plants that were once alive! Since coal comes from plants, and plants get their energy from the sun, the energy in coal also came from the sun. The coal we use today took millions of years to form. ... Heat and pressure turned the dead plants into coal.
fossil fuel.
false