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Chemistry

Chemistry
Hardest allotrope of carbon is

Diamond
Graphite
Lamp black
Coke

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Chemistry
The most abundant element in the human body is

Nitrogen
Iron
Oxygen
Carbon

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HCl
HF
H2SO4
HNO3

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Chemistry
Which of these acids is not organic in origin?

Oxalic acid
Lactic acid
Sulphuric acid
Citric acid

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Chemistry
Catalyst is a substance which

None of these
Has no action on the rate of the reaction
Decreases the rate of reaction
Increases the rate of the reaction

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Chemistry
Silicon is a

Nonconductor
Conductor
Insulator
Semiconductor

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MORE MCQ ON Chemistry

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