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Chemistry

Chemistry
DDT and BHC may act as

None of these
Allergens
Asthematic agents
Carcinogens

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Chemistry
The percentage of carbon in cost iron is :

0.01 to 0.25
3 to 5
6 to 8
0.5 to 1.5

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Chemistry
Cloud is a colloidal dispersion of

Air in a dispersion medium of water
Fog in a dispersion medium of water
Water drops in a dispersion medium of air
Mist in a dispersion medium of air

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Chemistry
Iron is extracted from

Bauxite
Cinnabar
Haematite
Dolomite

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Chemistry
The strongest acid of the following is

P-nitrophenol
P-chlorophenol
M-nitrophenol
O-nitrophenol

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Chemistry
Which of the following fibres catches fire least ?

Terricot
Cotton
Nylon
Rayon

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MORE MCQ ON Chemistry

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