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Chemistry

Chemistry
Main source of lead pollution is from

Insecticides
Leaded gasoline
Tobacco
Sewage

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Chemistry
Among the following, carbonate ore of Zinc is

Sphalerite
Zincblende
Zincite
Calamine

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Chemistry
The material known in commerce as Terylene is a

Modified natural fibre
Natural fibre
Synthetic fibre
Blend of cotton and silk

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Chemistry
The items amenable to detection by soft x-rays are

genuine coins from counterfeit coins
narcotics
lead in bullets
contrabands

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Chemistry
Aspirin is common name of

Acetyl Salicylic Acid
Methyl Salicylate
Salicylic Acid
Salicylate

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethylene
Methane
Acetylene
Ethane

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MORE MCQ ON Chemistry

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