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Chemistry

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

4
5
2
3

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Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Zinc
Iron
Aluminium
Copper

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

Palm oil
Sunflower oil
Linseed oil
Cottonseed oil

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Chemistry
Among the following, carbonate ore of Zinc is

Zincblende
Sphalerite
Calamine
Zincite

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Chemistry
The coordination number of body centered atom in cubic structure is

4
6
10
8

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Chemistry
Which of the following is used for refrigeration?

Sulphur dioxide
Freon
Phosphine
Chlorine

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