MCQ
Study the given flowchart carefully.
Which of the following statements is correct?
- A$X$ can be condensed back to coal.
- B$Y$ and $Z$ are useless products.
- CZ starts burning when exposed to air.
- ✓None of thes.
Study the given flowchart carefully.
Which of the following statements is correct?
✓
Answer
Correct option: D.
None of thes.
$X$ is coal gas which cannot be condensed back to coal. $Y$ and $Z$ are coal tar and coke respectively which are quite useful products.
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