Advertisements
Advertisements
प्रश्न
Naphthalene balls are obtained from coal tar and are used as
विकल्प
mosquito repellant
honey bee repellant
moth repellant
snake repellant
Advertisements
उत्तर
moth repellant
Explanation:
Naphthalene balls are used to repel moths and other insects (in stored clothes, etc).
APPEARS IN
संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
Explain why fossil fuels are exhaustible natural resources.
Explain the different types of coal.
Coal is formed from the remains of
When heated in air, coal burns and produces mainly ______ gas.
Coal tar is a black, thick ______ with an ______ smell.
The black thick liquid with ______ smell is known as coal tar.
Write the characteristics and some important uses of coal.
______ coal is black and dull coal.
Explain the destructive distillation of Coal.
