Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Ammonia Nitrogen dioxide Nitrogen Nitric acid Ammonia Nitrogen dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Ammonia Ammonium Nitrate Urea Uric Acid Ammonia Ammonium Nitrate Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton only 1 electron only 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only 1 neutron only 1 proton + 2 neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Copper Bronze Brass Silver Copper Bronze Brass ANSWER DOWNLOAD EXAMIANS APP
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