SPM Form 5 Chemistry 4.2 Heat of Reactions (Calculations)

[@LYL-qq4iu]

Hi sir, do you have online classes for f4 and f5 kssm chemistry and physics?

[@mavin89]

Hi thr... Yes i do have online classes for f4 n f5... U could contact me through my personal messenger for more details m.me/mavin.yap