Chemistry Which of the following is a secondary pollutant ? PAN CO NO SO2 PAN CO NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is None of these Copper Sulphate Iron Gas Carbon None of these Copper Sulphate Iron Gas Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Anderson Bethe Bohr Fermi Anderson Bethe Bohr Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Sulphonates Nitrates Bismuthates Bicarbonates Sulphonates Nitrates Bismuthates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP