Assertion (A) While removing blood stain, heat must be avoided.
Reason (R) Heat coagulates the protein and fixes the stain on the fabric.
Assertion (A) While removing blood stain, heat must be avoided.
Reason (R) Heat coagulates the protein and fixes the stain on the fabric. Correct Answer Both A and R are true
মোঃ আরিফুল ইসলাম
Feb 20, 2025