it's Chemistry!! I need help pls

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secondary 4 | Biology
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secondary 4 Biology Singapore

it's Chemistry!! I need help pls

Date Posted: 5 years ago

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Date Posted: 5 years ago

Dessy Dayanti

5 years ago

sorry i cant see the answer at the top part

Arnold K H Tan

5 years ago

Click on the picture to 'open it'. Take a screenshot and zoom.in if you need to?