Chemistry When Hydrogen starts burning in air, it produces ? Methane Carbonic Acid Water Ammonia Methane Carbonic Acid Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Compounds Solutions Homogeneous systems Mixtures Compounds Solutions Homogeneous systems Mixtures ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Carbonate Sodium Hydroxide Sodium Monoxide Sodium Peroxide Sodium Carbonate Sodium Hydroxide Sodium Monoxide Sodium Peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP