A. Boiling
B. Adding Ca(OH)2
C. Boiling it with Na2CO3
D. None of these
Correct Answer: Boiling ✔
Last Updated: February 12, 2019
A. Boiling
B. Adding Ca(OH)2
C. Boiling it with Na2CO3
D. None of these
Correct Answer: Boiling ✔
Last Updated: February 12, 2019