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Chemistry

Chemistry
Ozone depletion in the stratosphere is mainly caused by

NO2
SO2
Chlorogluorocarbons
NO

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Chemistry
The most important ore of aluminium is

magnetite
bauxite
haematite
monazite

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Chemistry
Which of the following is not soluble in water ?

Sodium sulphate
Potassium sulphate
Lead Sulphate
Zinc sulphate

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Bricketting
Land filling
Incineration
Composting

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Chemistry
Rusting of iron takes place due to

Oxidation
Corrosion
Exfoliation
Carbonation

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Chemistry
The gas used for artificial ripening of green fruit is

ethylene
acetylene
carbon dioxide
ethane

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