Advertisements
Advertisements
प्रश्न
Coal tar is a mixture of various substances.
विकल्प
True
False
Advertisements
उत्तर
This statement is true.
Explanation:
Coal tar is a black, thick liquid with an unpleasant smell. It is a mixture of about 200 substances. Products obtained from coal tar are used as starting materials for manufacturing various substances used in everyday life and industry, such as synthetic dyes, drugs, explosives, perfumes, plastics, paints, photographic materials, roofing materials, 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
Naphthalene balls are obtained from coal tar and are used as
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Loca is obtained from mines.
Write True/False against the following statement.
Under high temperature and pressure, dead plants get slowly converted to coal.
______ coal is black and dull coal.
Coal is also known as black diamond owing to its precious nature.
What are the uses of coal?
