Chemistry Most poisonous pollutant in water is Zinc Detergent Arsenic Phosphate Zinc Detergent Arsenic Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Hydrogen Neon Sodium Nitrogen Hydrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitrates Nitrites Ammonia Nitramines Nitrates Nitrites Ammonia Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium phosphate Calcium hypophosphate Phosphoric sulphate Calcium sulphate Calcium phosphate Calcium hypophosphate Phosphoric sulphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Potassium iodide Iodine Sodium iodide Potassium iodate Potassium iodide Iodine Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
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