Question Detail

Human bone does not contain

calcium
carbon
oxygen
phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

Similar Questions :

1. 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

2. What is laughing gas ?

nitrous oxide
nitric oxide
nitrogen oxide
nitrogen peroxide

Answer: Option A

3. Iodine can be separated from a mixture of Iodine and Potassium Chloride by ?

Filtration
Sublimation
Distillation
Sedimentation

Answer: Option B

4. Permanent hardness of water is due to the presence of ?

Magnesium bicarbonate
Calcium bicarbonate
Sodium bicarbonate
Calcium sulphate

Answer: Option D

5. Which of the following gas is used in cigarette lighters ?

Butane
Propane
Methane
Ethane

Answer: Option A

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