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Chemistry

Chemistry
The main constituent of biogas is

Methane
Acetic acid
Methyl alcohol
Oxygen

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Chemistry
The gas produced in marshy places due to decomposition of vegetation is

Carbon monoxide
Sulphur dioxide
Carbon dioxide
Methane

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Chemistry
The coating of a thin layer of zinc on steel or iron objects is known as

Tinning
Galvanising
Electroplating
Hot dipping

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

Zinc plating
Vulcanization
Alloy formation
Galvanization

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Chemistry
A detergent is a

Drug
Cleansing agent
Catalyst
Soap

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Chemistry
Which one of the following chemicals helps in fruit ripening?

Malathion
Isoproturan
Atrazine
Ethephon

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MORE MCQ ON Chemistry

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