Chemistry The mass number of an atom is equal to the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids Nitrogenase Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is gold platinum silver iron gold platinum silver iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Carbon monoxide Water gas Mustard gas Hydrogen cyanide Carbon monoxide Water gas Mustard gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyamide Polyester Polyethylene Polypropylene Polyamide Polyester Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Carbohydrates Coal Biomass Crude oil Carbohydrates Coal Biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP
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