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Chemistry

Chemistry
The natural source of hydro-carbon is

Crude oil
Coal
Biomass
Carbohydrates

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Chemistry
The product, 9-nitroanthracene is obtained from anthracene by the action of

Nitric acid in excess
Nitric acid and ethyl alcohol
Nitric acid and acetic anhydride
Nitric acid and acetic acid

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Chemistry
Which of the following metals has least melting point ?

Gold
Mercury
Silver
Copper

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Chemistry
The most abundant element is

Nitrogen
Oxygen
Calcium
Silicon

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Chemistry
Which is the heaviest metal among the following?

Iron
Silver
Copper
Gold

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Chemistry
Which one of the following does not contain Silver ?

Ruby Silver
Lunar Caustic
German Silver
Horn Silver

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MORE MCQ ON Chemistry

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