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Chemistry

Chemistry
Which of the following molecules has a bond order of 2.5

F2
CO
HCL
NO

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Chemistry
When there are two electrons in the same orbital, they have:

Same or opposite spin
Same spin
Opposite spin
No spin

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Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Hydrogen
Oxygen
Carbon dioxide

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Chemistry
The greenhouse effect is caused by the higher level of which gas in the atmosphere ?

Nitrous oxide
Carbon dioxide
Carbon monoxide
Sulphur dioxide

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Chemistry
Iron is extracted from

Bauxite
Haematite
Cinnabar
Dolomite

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Chemistry
Coating of solid waste with impervious material is known as

Chemical fixation
Encapsulation
Landfill
Capping

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