Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Solder Aluminium sulphate Aluminium powder None of these Solder Aluminium sulphate Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Amino acids Nitrates Ammonia Nitrogenase Amino acids Nitrates Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 18 32 8 2 18 32 8 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Carbon monoxide Neon Carbon dioxide Nitrogen Carbon monoxide Neon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon oxide Silicon carbide Calcium oxide Calcium carbide Silicon oxide Silicon carbide Calcium oxide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Ozone Oxygen Carbondioxide Nitrogen Ozone Oxygen Carbondioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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