Chemistry Most poisonous pollutant in water is Zinc Detergent Arsenic Phosphate Zinc Detergent Arsenic Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Cast-iron Aluminium Type metal Water Cast-iron Aluminium Type metal Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Carbohydrates Vitamins Proteins Fats Carbohydrates Vitamins Proteins Fats ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Potassium Nitrogen Phosphorous Silicon Potassium Nitrogen Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
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