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Chemistry

Chemistry
Taj Mahal is greatly affected due to :

Acid rain
Tourists
Sound pollution
Deforestation

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Chemistry
One of the constituents of tear gas is

Ether
Ethanol
Chloropicrin
Ethane

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Chemistry
The biogas used for cooking is a mixture of which of the following?

Methane and carbon monoxide
Methane and carbon dioxide
Isobutane and propane
Carbon dioxide and oxygen

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Chemistry
Which of the following is a commercial source of energy?

Sun
Natural gas
Dried dung
Agricultural waste

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Chemistry
Galvanization is the :

Deposition of zinc on iron
Deposition of tin on iron
Deposition of aluminium on iron
Deposition of copper on iron

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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

D
A
C
B

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