Jawabanmu

2014-04-03T16:35:31+07:00
2014-04-03T16:37:59+07:00
1. Jeruk (C₆H₈O₇)
2. Cuka (C₂H₄O₂)
3. Cairan Lambung (HCl)
4. Pupuk (HNO₃)