Chemistry Number of neutrons in an atom of hydrogen is One Three Zero Two One Three Zero Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Benzene Chloride Picric acid Aspirin Benzene Chloride Picric acid Aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Ethylene Styrene Methane Acetylene Ethylene Styrene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Sewage Leaded gasoline Tobacco Insecticides Sewage Leaded gasoline Tobacco Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
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