Chemistry The most abundant element is Silicon Oxygen Nitrogen Calcium Silicon Oxygen Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Industrial smog Photochemical smog Sulphurous smog Acid fumes Industrial smog Photochemical smog Sulphurous smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is O-nitrophenol P-nitrophenol M-nitrophenol P-chlorophenol O-nitrophenol P-nitrophenol M-nitrophenol P-chlorophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Carbonate Calcium Cyanide Calcium Carbide Calcium Sulphate Calcium Carbonate Calcium Cyanide Calcium Carbide Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
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