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Chemistry

Chemistry
PVC is obtained by the polymerisation of

Propane
Vinyl chloride
Acetylene
Styrene

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Chemistry
The oxidation number of nickel in K4[Ni(CN)4] is

–4
8
4
Zero

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Chemistry
Pyrethrin used in mosquito coil is obtained from

A bacterium
An insect
A fungus
A seed plant

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Chemistry
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

4.05 gram
2.05 gram
3.05 gram
5.05 gram

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Chemistry
Hard water and soft water can be distinguished by using

Dilute acid
Ordinary soap
Detergent
Liquid soap

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Chemistry
Which is the heaviest metal among the following?

Gold
Silver
Copper
Iron

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MORE MCQ ON Chemistry

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