The main element used in the vulcanisation of rubber is5
1072 5b5cc7efe4d2b41977751d5d
Q: The main element used in the vulcanisation of rubber is
- 1nickelfalse
- 2copperfalse
- 3sulphurtrue
- 4graphitefalse
- उत्तर देखें
- Workspace
- चर्चा