Tan Jia Xuan's answer to Ap's Secondary 3 Chemistry Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tan Jia Xuan
Tan Jia Xuan's answer
2 answers (Tutor Details)
1st
Hope it helps :)
Ap
Ap
4 years ago
thank u very much for ur help