Q6) The materials A is a fossil fuel which is extracted from the Earth.It is said to be formed from
buried large land plants by a very slow process called B.When A is heated in the absence of air
in a process called C, then it gives these products D, E and F. The product D is used as a reducing
agent in the extraction of metals, the product is used as an industrial fuel whereas product F
has been traditionally used for making metallic roads.
a)What could material A be??
b)What is the physical state and colour of A?
c)Name the processes---
DB )C
d)What are -
DD DE OF
Answers
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8
Answer:
- A - Coal
- B - Compression
- C - Carbonisation
- D - Coke
- E - Coal gas
- F - Coal tar
a). Coal
b). Solid an Black
c). Compression and Carbonisation
d). Coke, Coal gas, Coal tar.
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