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Chemistry

Chemistry
Cinnabar is an ore/mineral of

Mercury
Manganese
Molybdenum
Lead

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Chemistry
Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234

D
A
B
C

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Sunflower oil
Groundnut oil
Coconut oil
Mustard oil

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Chemistry
What is used in storage batteries?

Lead
Tin
Zinc
Copper

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Methyl alcohol
Ethyl alcohol
Methyl alcohol and H2O
Ethyl alcohol and H2O

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Chemistry
Ultraviolet rays can be used in water treatment as

Disinfectant
Precipitator
Hydrolyser
Flocculator

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