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Chemistry

Chemistry
Bleaching powder is used in drinking water as a/an

Antiseptic
Disinfectant
Antibiotic
Coagulant

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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

A
C
D
B

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Chemistry
The mass of one Avogadro number of helium atom is

8.00 gram
4 x 6.02 x 1023 gram
1.00 gram
4.00 gram

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Chemistry
The wire of flash bulbs is made up of

Ba
Mg
Cu
Ag

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Chemistry
In a period from Li to F, ionisation potential

Increases
Remains same
Cannot be predicted
Decreases

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Chemistry
The chemical used in developing photographic films is

Hydroquinone
Hypo
Sodium sulphate
Silver bromide

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