Chemistry The chief source of naphthalene is Charcoal Coal-tar Diesel Camphor Charcoal Coal-tar Diesel Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Acidic Basic None of these Neutral Acidic Basic None of these Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Nitrogen Carbon dioxide Argon Oxygen Nitrogen Carbon dioxide Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Carbon Hydrogen None of these Oxygen Carbon Hydrogen None of these Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom One Four Two Three One Four Two Three ANSWER DOWNLOAD EXAMIANS APP
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