Which one of the following is an insulator?
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Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Pentlandite is an ore/mineral of _______.
Name the gas used in preparation of bleaching powder
Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules.
Trinitrotoluene is
Which among the following is white phosphorus?
Metals react with sodium hydroxide to produce ___________.
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