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Chemistry

Chemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

4
zero
5
2

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Chemistry
Spontaneous change is one in there is:

A lowering of free energy
Increase in free energy
A lowering of entropy
An increase in Internal energy

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Chemistry
The laws of electrolysis are given by

Ostwald
Arrhenius
Faraday
Lewis

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Chemistry
Which one out of the following helps in burning ?

Carbon monoxide
Carbon dioxide
Oxygen
Nitrogen

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Chemistry
Conduction band electrons have more mobility than holes because they

Need less energy to move them
Have negative charge
Experience collision less frequently
Are lighter

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Chemistry
Which metal is extracted from sea water?

Potassium
Aluminium
Beryllium
Magnesium

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