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
Coke is almost pure form of carbon.
Describe characteristics of coke.
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Coal is formed from the remains of
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.
______ coal is black and dull coal.
Activated carbon, used in filters for water and air purification and in ______ machines is obtained from coal.
Coal is also known as black diamond owing to its precious nature.
