Question Detail

pH of blood is ?

10.4
9
7.4
4

Answer: Option C

Similar Questions :

1. Bleaching action of chlorine is by

decomposition
hydrolysis
reduction
oxidation

Answer: Option A

2. Which of the following gases is the most toxic?

Carbon dioxide
Sulphur dioxide
Carbon monoxide
Acetic acid

Answer: Option C

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

Magnesium bicarbonate
Calcium bicarbonate
Sodium bicarbonate
Calcium sulphate

Answer: Option D

4. Natural rubber is a polymer derived from ?

ethylene
propylene
isoprene
butadiene

Answer: Option C

5. The metal used to recover copper from a solution of copper sulphate is ?

Na
Ag
Hg
Fe

Answer: Option D

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