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Chemistry

Chemistry
The metal present in vitamin B12 is

Fe
Mg
Mo
Co

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Chemistry
The acid rain destroys vegetations because it contains

Sulphuric acid
Ozone
Nitric acid
Carbon monoxide

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Chemistry
When ice cubes are made, the entropy of water

May either increase or decrease depending on the process used
Decreases
Increases
Does not change

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Chemistry
Zinc sulphide is commonly used as

Fungicide
Deodorant
Rodenticide
Herbicide

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Chemistry
Water gas is the mixture of

Carbon dioxide and nitrogen
Carbon dioxide and hydrogen
Carbon monoxide and hydrogen
Carbon monoxide and nitrogen

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Chemistry
In galvanization, iron is coated with

Nickel
Copper
Tin
Zinc

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MORE MCQ ON Chemistry

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