Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.727 0.305 0.658 0.509 0.727 0.305 0.658 0.509 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Metallic polysulphides Teflon Polyurethane Polystyrene Metallic polysulphides Teflon Polyurethane Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Arsenic Phosphate Detergent Zinc Arsenic Phosphate Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Indane gas Coal gas Water gas Natural gas Indane gas Coal gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
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