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Chloropicrin
Ethane
Ethanol
Ether
One of the following is used to dissolve noble metals. That is
One property of ammonia is
Ordinary table salt is sodium chloride. What is baking soda?
Ornithophily refers to the pollination through which among the following?
Oxide of sulphur present in the atmosphere are washed down by rains to cause :
Oxygen has (+) oxidation number only in
Oxygen was independently discovered by
Ozone depletion in the atmosphere is mainly caused by
Ozone layer of atmosphere absorbs:
Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of