Chemistry The most abundant element in the human body is Carbon Oxygen Iron Nitrogen Carbon Oxygen Iron Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Insecticide Fumigant Pesticide Preservative Insecticide Fumigant Pesticide Preservative ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 7 None 8 – 14 0 – 14 0 – 7 None 8 – 14 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur Oxides of carbon and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : None of the options Addition reaction Elimination reaction Substitution reaction None of the options Addition reaction Elimination reaction Substitution reaction ANSWER DOWNLOAD EXAMIANS APP
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