Chemistry Atomic number is the number equal to Protons None of these Neutrons Electrons Protons None of these Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Soda ash Caustic potash Sodium hydroxide Caustic soda Soda ash Caustic potash Sodium hydroxide Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Gaseous zinc Molten zinc Molten tin Solid zinc Gaseous zinc Molten zinc Molten tin Solid zinc ANSWER DOWNLOAD EXAMIANS APP
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