Chemistry Which of the following is a secondary pollutant ? PAN CO SO2 NO PAN CO SO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium chloride Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride Calcium carbonate Calcium sulphide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of a condensation reaction an elimination reaction an oxidation reaction an addition reaction a condensation reaction an elimination reaction an oxidation reaction an addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 118 115 127 112 118 115 127 112 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Lead Carbon monoxide Polyclinic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polyclinic hydrocarbons Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
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