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Chemistry

Chemistry
Which of the following elements is obtained from sea weeds ?

Vanadium
Iodine
Sulphur
Argon

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Chemistry
The main constituent of natural gas is

Propane
Ethane
Butane
Methane

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Chemistry
Which one of the following elements is an example of noble gas ?

Nitrogen
Hydrogen
Helium
Chlorine

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Chemistry
The iron ore magnetite consists of

Fe3OH4
3Fe2O3 .. 3H2O
FeCO3
Fe2O3

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Chemistry
One of the following is used to dissolve noble metals. That is

Nitric acid
Sulphuric acid
Hydrochloric acid
Aqua ragia

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Chemistry
What is the chemical symbol of mercury

Hg
Mr
None of these
Mg

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MORE MCQ ON Chemistry

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