Chemistry What is the most common salt in sea water ? Calcium carbonate Potassium chloride Magnesium sulphate Sodium chloride Calcium carbonate Potassium chloride Magnesium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Lead Zinc Tin Mercury Lead Zinc Tin Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1019 1.568 x 103 6.023 x 1023 4.84 x 1017 6.023 x 1019 1.568 x 103 6.023 x 1023 4.84 x 1017 ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Glycerol Naphthalene Caustic potash Caustic soda Glycerol Naphthalene Caustic potash Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog NO2 Dust particles SO2 Photochemical smog NO2 Dust particles SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
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