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Chemistry

Chemistry
In addition to hydrogen, the other abundant element present on Sun’s surface is

Oxygen
Neon
Argon
Helium

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Chemistry
A substance which readily forms colloidal solution in contact with water is called

Extrinsic colloid
Hydrophilic colloid
Associated colloid
Hydrophobic colloid

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Chemistry
Among the following, carbonate ore of Zinc is

Zincblende
Zincite
Calamine
Sphalerite

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Chemistry
Which metal is the heaviest in periodic table among the following ?

W
Os
Pt
Pb

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Chemistry
The compounds formed when hydrogen combines with p-block elements are called

Polynuclear hydrides
Metallic hydrides
Molecular hydrides
Ionic hydrides

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Chemistry
Chemical name of common salt is

Sodium
Sodium Bicarbonate
Sodium Oxide
Sodium Chloride

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