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Chemistry

Chemistry
The maximum number of isomers for an alkene with molecular formula C4H8 is

3
5
2
4

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Chemistry
Tar roads get damaged if there is

No maintenance
Heavy traffic
No sloping
Stagnation of water on road

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Chemistry
Zinc sulphide is commonly used as

Rodenticide
Herbicide
Deodorant
Fungicide

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Chemistry
Basicity of boric acid, H3BO3 is

3
2
4
5

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Chemistry
Bleaching action of moist sulphur di-oxide is because of its

Oxidising property
Reducing property
Acidic property
Basic property

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Chemistry
Which one is the most dense liquid from the below

Water
Gasolin
Choloform
None of these

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