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Chemistry

Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

As
Bi
N
P

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Chemistry
The depletion of ozone layer is due to

Chloro fluoro carbon
Ethane
Carbon dioxide
Sulphur dioxide

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Chemistry
The National Chemical Laboratory (India) is located in

Hyderabad
Mumbai
Bangaluru
Pune

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Chemistry
In an oxygen molecule, two atoms are united by

Three bonds
Two bonds
One bond
Four bonds

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Chemistry
Diamond is lustrous because

It is pure
Its refractive index is high
It is hard
It is colourless

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Groundnut oil
Coconut oil
Sunflower oil
Mustard oil

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