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. The term PVC used in the plastic industry stands for

polyvinyl chloride
polyvinyl carbobate
phosphor vanadiu chloride
phosphavinyl chloride

Answer: Option A

2. Which gas is used to manufacture vanaspati from vegetable oil is

carbon dioxide
nitrogen
oxygen
hydrogen

Answer: Option D

3. Which one is an organic Acid ?

Sulphuric
Citric
Nitric
Phosphoric

Answer: Option B

4. What is a mixture of potassium nitrate powdered charcoal and sulphur called?

paint
aluminium
brass
gun powder

Answer: Option D

Explanation:

gun powder is the mixture of potassium nitrate powdered charcoal and sulphur.

5. Aspirin is

acetyl salicylic acid
sodium salicylate
methyl salicylate
ethyl salicylate

Answer: Option A

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