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Chemistry

Chemistry
The metal that is usually extracted from sea water is

Ca
K
Na
Mg

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Chemistry
The chemical used for cloud seeding for artificial rains is

Potassium Nitrate
Silver Iodide
Silver Nitrate
Potassium Bromide

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Chemistry
The items amenable to detection by soft x-rays are

lead in bullets
contrabands
genuine coins from counterfeit coins
narcotics

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Chemistry
Which one is the simplest form of alkane

Decane
Propane
Methane
Butane

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Chemistry
Which one of the following minerals is found in pure form?

Manganese
Copper
Bauxite
Iron

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Chemistry
In upper layer of atmosphere ozone is formed by

The action of nitrogen on oxygen in atmosphere
The combination of oxygen molecules
The action of ultraviolet rays on oxygen
Subjecting oxygen to high pressure

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MORE MCQ ON Chemistry

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