Q. Identify the term ‘ash’ in term of living tissue sample analysis from the statements given below
A) Organic compounds oxidised to gaseous form ($CO_{2}$ and water vapour) after burning of the tissue
B) The material left after burning the tissue which contains inorganic elements (e.g., calcium, magnesium etc.)
C) Compounds removed in the form of gases
D) Compounds which may be soluble in intracellular fluid
Explanation
After burning the dry tissues, all the organic compounds are oxidised to gaseous form ($CO_{2}$ and water vapour) and are removed. The material left is termed ‘ash’ which contains inorganic elements (e.g., calcium, magnesium etc.)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.