Chemistry Chile saltpeter is the common name of: Sodium nitrite Potassium nitrate Sodium nitrate Potassium nitrite Sodium nitrite Potassium nitrate Sodium nitrate Potassium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Carbon dioxide Nitrogen Oxygen Hydrogen Sulphide Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Caffeine Cocaine Tannin Morphine Caffeine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Magnesium Bromine Lead Barium Magnesium Bromine Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Bromine Potassium Iodine Sodium Bromine Potassium Iodine Sodium ANSWER DOWNLOAD EXAMIANS APP
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