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Chemistry

Chemistry
An example of heterocyclic compound is

Naphthalene
Anthracene
Benzene
Furan

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Chemistry
Atoms of same element having different mass numbers are called________

Isomers
Isotones
Isotopes
Isobars

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Chemistry
Ultraviolet rays can be used in water treatment as

Hydrolyser
Precipitator
Flocculator
Disinfectant

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Chemistry
Tetra ethyle lead (TEL) is

A reductant
An antiknock compound
A catalyst in burning fossil fuel
An antioxidant

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Chemistry
The quality of petrol is expressed in terms of

Cetane number
Gold number
Octane number
Added unlead compounds

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Chemistry
Match the List-I with List-II and select the correct answer using the codes given belowList-I (Vitamin)List-II(Chemical compound)F.Vitamin A1.ThiaminG.Vitamin B12.RetinolH.Vitamin C3.Ascorbic acidJ.Vitamin E4.TocopherolCodes :FGHJA.4132B.2314C.4312D.2134

C
A
B
D

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