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Study the given flow chart carefully. ...

Study the given flow chart carefully.

Which of the following statements is correct ?

A

X can be condensed back to coal.

B

Y and Z are useless products

C

Z starts burning when exposed to air.

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
X is coal gas which cannot be condensed back to coal. Y and Z are coal tar and coke respectively which are quite useful products. Coke does not burn when exposed to air.
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