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Chemistry

Chemistry
Gobar gas mainly contains

Carbon monoxide
Carbon dioxide
Hydrogen sulphide
Methane

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Chemistry
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

hydrogen
nitrogen
carbon
oxygen

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Chemistry
What is the chemical symbol of mercury

Mr
Mg
None of these
Hg

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Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Isobaric system
Isothermal system
Closed system
Open system

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Chemistry
The chemical name of ‘Common salt’ is

Ammonium chloride
Sodium nitrate
Sodium chloride
Calcium chloride

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Chemistry
The natural source of hydro-carbon is

Coal
Crude oil
Carbohydrates
Biomass

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MORE MCQ ON Chemistry

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