Question Detail

Conduction band electrons have more mobility than holes because they are

experience collision more frequently
experience collision less frequently
have negative charge
need less energy to move them

Answer: Option B

Similar Questions :

1. Air contains maximum amount of

oxygen
nitrogen
hydrogen
carbon dioxide

Answer: Option B

2. Why is phosphorus kept under water ?

to make it wet
to make it durable
water forms a protective coating on it
to save it from catching fire when exposed to dry air

Answer: Option D

3. What is extracted from Bauxite ?

Mica
Aluminium
Copper
Tin

Answer: Option B

4. Which have the maximum density ?

Water
Benzene
Ice
Chloroform

Answer: Option A

5. The most electronegative element among the following is

sodium
bromine
fluorine
oxygen

Answer: Option C

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