Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 78.03 85.02 0.94 0.03 78.03 85.02 0.94 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically unreactive Chemically very active Not stable Miscible with water Chemically unreactive Chemically very active Not stable Miscible with water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Sodium Lithium Potassium Cadmium Sodium Lithium Potassium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Antibiotic Coagulant Disinfectant Antiseptic Antibiotic Coagulant Disinfectant Antiseptic ANSWER DOWNLOAD EXAMIANS APP
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