MCQ
Which of these is used for making naphthalene balls$?$
- APetroleum
- B$CNG$
- CParaffin
- ✓Coal tar
Coal tar is a black, thick liquid with unpleasant smell. Naphthalene balls are used to repel moths and other insects, and are also obtained from coal tar. Other products that are obtained from coal tar are synthetic dyes, drugs, explosives, perfumes, plastics, paints, photographic materials, roofing materials, etc.
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