Jolene Wong :)'s answer to Tara's Secondary 4 Biology question.
done
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clear
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For 2, just remember to balance the equation! Mg + CuO gives you Cu (stated in question) the only thing left is Mg and O, and since Mg is oxidized, MgO must be formed :)!
(A summary of whatever I wrote in green for q2)
Well done for 3(a) everything is clear :)!
(A summary of whatever I wrote in green for q2)
Well done for 3(a) everything is clear :)!
Date Posted:
6 years ago
Oh don’t forget for 3(a) your answer has to be in 3 significant figures! So it’s 27.0g :)!
Thanks for the solutions
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