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Chemistry

Chemistry
Which is abundant in Gobar gas?

Oxygen
Carbon dioxide
Hydrogen
Methane

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Chemistry
Non-stick kitchenwares are coated with

Graphite
PVC
Teflon
Silicon

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Chemistry
Percentage of carbon in steel ranges from

3.0 to 4.0
1.5 to 3.0
4.0 to 6.0
0.1 to 1.5

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

Carbonic acid
Lactic acid
Acetic acid
Citric acid

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Chemistry
The process of removing calcium and magnesium from hard water is known as

Sedimentation
Water softening
Filtration
Flocculation

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Chemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

engenol
geraniol
cineole
limonene

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MORE MCQ ON Chemistry

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