Chemistry Rock salt is a mineral containing Iron Magnesium Potassium Sodium Iron Magnesium Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas Sulphur dioxide gas Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Cooking gas Coal Low octane fuel High octane fuel Cooking gas Coal Low octane fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium None of these Calcium Manganese Magnesium None of these Calcium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Carbon Oxygen and Nitrogen Oxygen only Hydrogen and Carbon Oxygen and Carbon Oxygen and Nitrogen Oxygen only Hydrogen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A disinfectant A fertilizer A purifier for water An analgesic A disinfectant A fertilizer A purifier for water An analgesic ANSWER DOWNLOAD EXAMIANS APP
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