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Chemistry

Chemistry
Interveinal necrotic spots on leaves appear due to

O3injury
HF injury
NO2injury
SO2injury

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

Palm oil
Cottonseed oil
Sunflower oil
Linseed oil

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Chemistry
Which of the following is a commercial source of energy?

Dried dung
Natural gas
Sun
Agricultural waste

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Chemistry
How many electrons can be accommodated in d-orbital

10
6
3
8

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Powder type
None of these
Soda acid type
Foam type

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Chemistry
Which of the following is ozone depleting pesticide ?

Benzene
D.T.
Methyl bromide
Ethylene ozonide

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MORE MCQ ON Chemistry

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