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प्रश्न
Naphthalene balls are obtained from coal tar and are used as
विकल्प
mosquito repellant
honey bee repellant
moth repellant
snake repellant
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उत्तर
moth repellant
Explanation:
Naphthalene balls are used to repel moths and other insects (in stored clothes, etc).
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संबंधित प्रश्न
Coal tar is a mixture of various substances.
What are the different types of coal?
Coal is formed from the remains of
Which substance is formed by the carbonisation of dead vegetation?
When heated in air, coal burns and produces mainly ______ gas.
Write the characteristics and some important uses of coal.
Name the products obtained and their uses when coal is processed in industry.
______ is used to make face packs and cosmetics.
Coal is also known as black diamond owing to its precious nature.
Explain the destructive distillation of Coal.
