Which among the following compounds has the strongest hydrogen bond?
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Metals react with sodium hydroxide to produce ___________.
The common name of sulphur is
Which of the following induces souring of milk?
Which of the following is used as anaesthetics?
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
............. elements have the largest atoms
The common name of dichlorodifluoromethane is _____.