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Chemistry

Chemistry
The deterioration of a metal by an electrochemical process is commonly termed as

Abrasion
Erosion
Passivation
Corrosion

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Chemistry
The total energy of revolving electron in an atom

Will always be positive
Can never be positive
Can have any value above zero
Cannot be negative

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Chemistry
Ruby and sapphire are oxides of

Iron
Tin
Aluminium
Copper

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Chemistry
An emulsifier is an agent which

Accelerates the dispersion
Homogenises an emulsion
Stabilises an emulsion
Aids the flocculation of an emulsion

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Chemistry
Which one of the following is also known as solution ?

A compound
A heterogeneous mixture
A homogeneous mixture
A suspension

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Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Cations
Anions
Higgs-boson
Isotopes

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MORE MCQ ON Chemistry

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