Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc oxide Zinc blende Zinc carbonate Zinc sulphate Zinc oxide Zinc blende Zinc carbonate Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Air Carbon–dioxide Brass Iron Air Carbon–dioxide Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Tin, lead Lead, zinc Sodium, lead Copper, lead Tin, lead Lead, zinc Sodium, lead Copper, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by Iron Arsenic Mercury Lead Iron Arsenic Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
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