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.