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Chemistry

Chemistry
The non-metal found in the liquid state is

Fluorine
Nitrogen
Bromine
Chlorine

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Chemistry
The chemical name of quartz is

Calcium oxide
Sodium phosphate
Calcium phosphate
Sodium silicate

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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
B
D
C

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Chemistry
The structure of (HPO3)3 is

Cyclic
Tetrahedral
Linear
Octahedral

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Chemistry
Bauxite is an alloy of which of the following metals ?

Silver
Aluminium
Tin
Iron

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Pt
Pb
Ni
Cu

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