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Chemistry

Chemistry
Alum stops bleeding in minor cuts because of

Solvation
Coagulation
Dialysis
Emulsion

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Chemistry
Air is said to be saturated when :

Its thickness is maximum
It blows over the barren land
Its pressure is minimum
It contains maximum content of water vapour

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Chemistry
What is the element required for solar energy conversion ?

Silicon
Ultra pure carbon
Beryllium
Tantalum

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Chemistry
The metal used to galvanise iron to protect it from rusting is

Chromium
Antimony
Zinc
Lead

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Chemistry
Number of neutrons in an atom of hydrogen is

Zero
Two
Three
One

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Chemistry
The aqueous solution of potassium chloride is

A weak electrolyte
Initially weak and then become a strong electrolyte
A non-electrolyte
A strong electrolyte

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