Chemistry Which of the following is ozone depleting pesticide ? Ethylene ozonide Methyl bromide D.T. Benzene Ethylene ozonide Methyl bromide D.T. Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Electrolysis Oxidation Roasting Zone refining Electrolysis Oxidation Roasting Zone refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change 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 addition reaction an elimination reaction an oxidation reaction a condensation reaction an addition reaction an elimination reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Calcium Magnesium Sodium Silicon Calcium Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
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