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Chemistry

Chemistry
The common refrigerant in domestic refrigerator is

Oxygen
Freon
Neon
Nitrogen

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Chemistry
Which one of the following is most electronegative

Carbon
Lead
Silicon
Tin

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Chemistry
KMnO4 can be used as

Disinfectant
Fertilizer
Pesticide
Insecticide

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Chemistry
Which of the following alkali metals has highest specific heat?

Lithium
Potassium
Rubidium
Caesium

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Chemistry
The chemical formula of the laughing gas is

N2O3
NO2
N2O
NO

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Chemistry
Burning pyrites ore gives out

Nitrogen dioxide gas
Nitric oxide gas
Sulphur dioxide gas
Carbon dioxide gas

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MORE MCQ ON Chemistry

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