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Chemistry

Chemistry
An example of heterocyclic compound is

Anthracene
Benzene
Furan
Naphthalene

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Chemistry
Ultraviolet rays can be used in water treatment as

Hydrolyser
Precipitator
Disinfectant
Flocculator

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Chemistry
The sewage obtained from water closets and urinals is known as

Sanitary waste
Garbage
Sullage
Industrial waste

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Chemistry
An emulsion is a colloid of a

Gas in a solid
Liquid in a gas
Liquid in a liquid
Gas in a liquid

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Chemistry
The heat required to raise the temperature of body by 1 K is called

thermal capacity
water equivalent
specific heat
None of these

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Chemistry
The oxidation number of nickel in K4[Ni(CN)4] is

–4
Zero
4
8

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