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Chemistry

Chemistry
Sour milk contains

Acetic acid
Tartaric acid
Lactic acid
Citric acid

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Chemistry
What is the atomic number of Oxygen

5
8
12
22

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Chemistry
Which one is the purest form of carbon

Graphite
Coal
Iron
Diamond

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

Haemetite
None of these
Limnonite
Magnetite

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Chemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

liquation
magnetic separation
levigation
leaching

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Chemistry
Which of the following is the strongest base in aqueous solution ?

Ethylamine
Diethylamine
Triethylamine
Ammonia

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