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Chemistry

Chemistry
Mixture can be

Both A and B
Homogeneous
Heterogeneous
Pure substance

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Chemistry
In silvery paints, the main constituent present is

Lead powder
White lead
Aluminium powder
Silver powder

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Chemistry
Formation of ozone hole is maximum over

Africa
Antarctica
India
Europe

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Chemistry
Which one of the following is not coal variety?

Peat
Lignite
Bituminous
Dolomite

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Chemistry
Sea weeds are important source of

Iodine
Bromine
Chlorine
Iron

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Chemistry
Depletion of ozone layer causes

Blood cancer
Breast cancer
Skin cancer
Lung cancer

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