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Chemistry

Chemistry
The substance which does not expand on going from liquid state to solid state is

Type metal
Water
Aluminium
Cast-iron

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

Sodium Chloride (NaCl)
All of these
Dry Ice (Frozen CO2)
Silver Iodide (Ag I)

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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
D
B

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Chemistry
The element with highest ionization potential is

Carbon
Helium
Oxygen
Boron

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Chemistry
The metal does not give H2 on treatment with dilute HCL is

Zn
Ag
Ca
Fe

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Chemistry
What is Zeolite?

Dehydrated Calcium Sulphate
Dehydrated Aluminosilicate
Hydrated Aluminosilicate
Hydrated Calcium Sulphate

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MORE MCQ ON Chemistry

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