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Chemistry

Chemistry
Nylon is a type of

Polyester
Polyolefin
Polyamide
Acrylic

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Chemistry
Acid rain' is caused due to air - pollution by

Carbon dioxide
Nitrous oxide and sulphur dioxide
Carbon monoxide
Methane

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Chemistry
Iodine value is used to estimate

Unsaturation in oil
Hydroxyl groups in oil
Carboxylic groups in oil
Alkali content in oil

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Chemistry
Bone ash contains

Calcium hypophosphate
Calcium sulphate
Calcium phosphate
Phosphoric sulphate

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O2
O+2
O-2
O-22

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Chemistry
Limestone is a raw material used by which industry?

Petrochemicals
Aluminium
Cement
Fertilizers

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