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Chemistry

Chemistry
The natural source of hydro-carbon is

Coal
Crude oil
Carbohydrates
Biomass

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Chemistry
The charcoal used to decolourise brown sugar solution is

Wood charcoal
Animal charcoal
Sugar charcoal
Coconut charcoal

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Chemistry
What is the principal ore of aluminium ?

Dolomite
Copper
Lignite
Bauxite

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Chemistry
Cinnabar is an ore/mineral of

Manganese
Mercury
Lead
Molybdenum

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Chemistry
Milk tastes sour when kept in the open for sometime due to the formation of

Acetic acid
Carbonic acid
Lactic acid
Citric acid

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Chemistry
The rusting of iron is a/an

Electrochemical change
None of these
Physical change
Electrical change

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MORE MCQ ON Chemistry

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