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Question

Which of the following are the sources of hydrochloric acid?
  1. Blood of mammals
  2. Citrus juices
  3. Hairs of human beings
  4. Volcanic gases

A
Volcanic gases
B
Hairs of human beings
C
Citrus juices
D
Blood of mammals
Solution
Verified by Toppr

The correct option is A Volcanic gases
HCl is available in free state in volcanic gases and it is also available in gastric juices of mammals and helps in digestion process of mammals.

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