please explain with working q 26 and 27 thank you

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secondary 4 | Chemistry
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secondary 4 Chemistry

please explain with working q 26 and 27 thank you

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Get it?

Date Posted: 6 years ago

6 years ago

Yes, thank you!