Chemistry The chemical name of 'laughing gas' is Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Water gas Hydrogen cyanide Mustard gas Carbon monoxide Water gas Hydrogen cyanide Mustard gas Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Sodium chloride Calcium carbonate Potassium chloride Magnesium sulphate Sodium chloride Calcium carbonate Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Ordinary soap Liquid soap Dilute acid Detergent Ordinary soap Liquid soap Dilute acid Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is iron gold platinum silver iron gold platinum silver ANSWER DOWNLOAD EXAMIANS APP
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