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Chemistry

Chemistry
How many electrons can be accommodated in d-orbital

3
8
10
6

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Chemistry
Which among the following is pure matter ?

Iron
Carbon–dioxide
Air
Brass

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Chemistry
Photo-oxidation process is initiated by

Heat
Light
Oxygen
Catalyst

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Chemistry
Asbestos is formed of :

Calcium and Magnesium
Calcium and Zinc
Lead and Iron
Copper, Zinc and Manganese

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Chemistry
The most abundant element by number in the living system is :

Nitrogen
Carbon
Oxygen
Hydrogen

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Chemistry
Which one of the following is not a cause for present global warming and climate change ?

Carbondioxide emission
Deforstation
Methane emission
CFC emission

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MORE MCQ ON Chemistry

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