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Chemistry

Chemistry
Neoprene is a polymer of

Isoprene
Chloroprene
Isobutane
Isopentane

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Chemistry
The iron ore magnetite consists of

3Fe2O3 .. 3H2O
Fe2O3
FeCO3
Fe3OH4

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Chemistry
Which is the heaviest metal among the following?

Iron
Gold
Silver
Copper

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Chemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

x/6
5x/36
5x
7.2 x

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Chemistry
Which one of the following vegetable oils is used in the manufacture of paints?

Cottonseed oil
Sunflower oil
Palm oil
Linseed oil

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Chemistry
The high reactivity of fluorine is due to

strong F - F bond
its high electro negativity
small size of fluorine atom
availability of d-orbitals

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MORE MCQ ON Chemistry

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