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Chemistry

Chemistry
'Fire-fighting clothes' are made from

Asbestos
Talc
Steatite
Mica

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Chemistry
The most abundant metal in the Earth’s crust is

Copper
Zinc
Iron
Aluminium

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Chemistry
Atomic number is the number equal to

Electrons
Neutrons
Protons
None of these

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HCl
HF
H2SO4
HNO3

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Chemistry
When ice cubes are made, the entropy of water

May either increase or decrease depending on the process used
Does not change
Increases
Decreases

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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

B
A
C
D

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