Chemistry Main source of lead pollution is from Tobacco Insecticides Leaded gasoline Sewage Tobacco Insecticides Leaded gasoline Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 100 50 200 500 100 50 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Phosphoric sulphate Calcium hypophosphate Calcium phosphate Calcium sulphate Phosphoric sulphate Calcium hypophosphate Calcium phosphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Nickel Zinc Copper Tin Nickel Zinc Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Uranium Thorium Mercury Polonium Uranium Thorium Mercury Polonium ANSWER DOWNLOAD EXAMIANS APP
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