Siti Umairah's answer to Shermel Lee Lee's Secondary 3 Chemistry question.

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Siti Umairah
Siti Umairah's answer
18 answers (A Helpful Person)
1st
Hope you understand it. Its simple. :)
Shermel Lee Lee
Shermel Lee Lee
7 years ago
thank you :)
Siti Umairah
Siti Umairah
7 years ago
Your welcome