Chemistry The depletion in Ozone layer is caused by ________ . Carbon dioxide Chlorofluorocarbons Nitrous oxide Methane Carbon dioxide Chlorofluorocarbons Nitrous oxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Cadmium Tin Mercury Zinc Cadmium Tin Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Sodium Strontium Calcium Barium Sodium Strontium Calcium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a reactant Increasing the temperature Adding a catalyst Increasing the concentration of a product Increasing the concentration of a reactant Increasing the temperature Adding a catalyst Increasing the concentration of a product ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? NO2 Dust particles SO2 Photochemical smog NO2 Dust particles SO2 Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Mercury Silver Copper Gold Mercury Silver Copper Gold ANSWER DOWNLOAD EXAMIANS APP
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