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Chemistry

Chemistry
Chemically ‘Quick Silver is known as

Copper
Mercury
Aluminium
Silver

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Powder type
Foam type
Soda acid type
None of these

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Chemistry
Helium gas is used in gas balloons instead of hydrogen gas because it is

More abundant than hydrogen
Lighter than hydrogen
More stable
Non-combustible

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Chemistry
Depletion of ozone layer causes

Lung cancer
Blood cancer
Skin cancer
Breast cancer

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Chemistry
Which is not an anasthetic agent in surgical operations?

Nitrous oxide
Chloroform
Acetone
Ether

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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
D
B
C

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