_____ is the major component of natural gas.
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The Chemical formula of Cadmium nitrate is _____.
Which of the following is a greenhouse gas or a gas, which can deplete the ozone layer?
Which of the following are highly compressible?
Magnetite is an ore/mineral of
Which is the most economical method of removing solid matter from water?
The poisonous gas accidentally released in Bhopal Gas Tragedy is
Phosphorus is kept in water because