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Chemistry

Chemistry
Main source of lead pollution is from

Tobacco
Insecticides
Leaded gasoline
Sewage

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Chemistry
Which of the following is not a natural source of hydrocarbon?

Coal
Natural Gas
Mica
Petroleum

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Chemistry
Vinegar is an aqueous solution of

Acetic acid
Oxalic acid
Hydrochloric acid
Citric acid

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Chemistry
Cyanide poisoning causes death in seconds because

It causes cardiac arrest
It breaks the electron transport chain
It causes Lysis of red blood cells
It denatures enzymes of the heart/muscle

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Chemistry
Which of the following chemicals is used in photography ?

Potassium nitrate
Sodium chloride
Aluminium hydroxide
Silver bromide

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Sedimentation
Filtration
Distillation
Sublimation

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MORE MCQ ON Chemistry

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