Structural Organisation In Animals Question 116

Question: A femur is kept in dilute $ HCl $ for three days, it becomes [CBSE PMT 1993]

Options:

A) Brittle

B) Soft and elastic

C) Remains as it is

D) Harder

Show Answer

Answer:

Correct Answer: B

Solution:

If a bone is kept in dilute acid $ (HCl) $ for few days, it becomes soft and flexible.

This is called decalcification of the bone.