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A piece of bone such as femur of frog if kept in dilute HCl for about a week will
[2000]
  • a)
    assume black colour
  • b)
    shrink in size
  • c)
    turn flexible
  • d)
    crack into pieces
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A piece of bone such as femur of frog if kept in dilute HCl for about ...
When a bone is kept in dilute acids like HCl for a few days, the Ca salts get dissolved leaving only the soft and flexible organic matrix. This process is called Decalcification. If a bone is kept in KOH it remains unaffected and only the surrounding muscles and connective tissues get dissolved so that the bone now appears clean. 
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Most Upvoted Answer
A piece of bone such as femur of frog if kept in dilute HCl for about ...
When a bone is kept in dilute acids like HCl for a few days, the Ca salts get dissolved leaving only the soft and flexible organic matrix. This process is called Decalcification. If a bone is kept in KOH it remains unaffected and only the surrounding muscles and connective tissues get dissolved so that the bone now appears clean. ##@
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