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Chemistry

Chemistry
Which one is the purest form of carbon

Diamond
Graphite
Coal
Iron

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Chemistry
The manufacturing of iron from iron ore involves the process of

Oxidation
Fractional distillation
Reduction
Electrolysis

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Chemistry
How many neutrons are there in 92U238 atom ?

330
146
238
92

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Chemistry
Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water

Manganese
Calcium
Magnesium
None of these

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Citric acid
Lactic acid
Carbonic acid
Acetic acid

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Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

H2
SO2
O2
Cl2

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MORE MCQ ON Chemistry

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