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Chemistry

Chemistry
Milk is a natural

Solution
Mixture
Emulsion
Suspension

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Chemistry
The maximum number of covalent formed by nitrogen is

2
4
3
1

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Chemistry
Bauxite is used as raw material by which industry ?

Aluminium
Steel
Gold
Iron

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Chemistry
The ‘Green House effect’ is produced due to the presence of excess amount of

Carbon monoxide
Sulphur dioxide
Methane
Nitrogen dioxide

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Chemistry
Iron and manganese present as pollutants in water cannot be removed by________

Oxidation followed by settling and filtration
Chlorination
Lime soda process or manganese zeolite process
Ion exchange process

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Chemistry
Iodex, a pain relief balm, has the smell of ________ .

Butyl salicylate
Propyl salicylate
Methyl salicylate
Ethyl salicylate

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