Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 SO2 Chlorogluorocarbons NO NO2 SO2 Chlorogluorocarbons NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A fertilizer A purifier for water A disinfectant An analgesic A fertilizer A purifier for water A disinfectant An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Hydrogen Carbon Phosphorus Sulphur Hydrogen Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Iron Mercury Gold Platinum Iron Mercury Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Phosphoric acid Carbonic acid Boric acid Sulphuric acid Phosphoric acid Carbonic acid Boric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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