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Chemistry

Chemistry
The deterioration of a metal by an electrochemical process is commonly termed as

Corrosion
Erosion
Abrasion
Passivation

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Chemistry
Nylon is made up of :

Polyethylene
Polyamide
Polypropylene
Polyester

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Chemistry
Which one of the following is known as the 'brown coal'?

Lignite
Anthracite
Bituminous
Coke

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Chemistry
The ionic radii of N3-, O2-, F- and Na+ follows the order

N3- > Na+ > O2- > F-
N3- > O2- > F- > Na+
O2- > F- > Na+ > N3-
Na+ > O2- > N3- > F-

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Chemistry
The charcoal used to decolourise brown sugar solution is

Sugar charcoal
Coconut charcoal
Animal charcoal
Wood charcoal

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Chemistry
Which is not a green house gas ?

CO2
Chlorofluorocarbons
CH4
N2O

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MORE MCQ ON Chemistry

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