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secondary 4 | Biology
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Milky06
Milky06

secondary 4 chevron_right Biology

Why the answer is not A but B ?

Date Posted: 1 year ago
Views: 97

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Tham KY
Tham Ky's answer
4644 answers (Tutor Details)
1st
Copper ions give blue colour
Milky06
Milky06
1 year ago
Thank you very much!