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Chemistry

Chemistry
Commercial Vaseline is derived from

Coal tar
Petroleum
Wool wax
Plant gums

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Chemistry
When cathode rays strike a target of high atomic weight, they give rise to

Positive rays
X-rays
?-rays
? and ? rays

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Chemistry
Malathion is a/an

Preservative
Insecticide
Fumigant
Pesticide

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Chemistry
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :

Vulcanization
Galvanization
Zinc plating
Alloy formation

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Chemistry
DDT and BHC may act as

Carcinogens
None of these
Asthematic agents
Allergens

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Chemistry
Nitrogen in water is commonly found in the form of

Nitrous oxide
Nitric oxide
Nitrite
Nitrate

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MORE MCQ ON Chemistry

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