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secondary 4 | Biology
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Anyone know how to do 6ii) and 6iii)? Thank you!!! #secondary4 #chemistry
Date Posted: 6 years ago
Views: 500
I know...but my parents taught me not to communicate with strangers...especially anonymous ones.
X is more reactive than copper, hence X displaces copper from copper(II) sulfate, so brown deposit of copper is formed.
Not so sure about part (b), but I think it's something like X produces more effervescence than Y.
Arnold u how old already liddat oso want to 计较
Haha..must have fun in life. Given its a Singapore based App.. prefer to help fellow Singaporeans with my limited time. :) Anonymous- dunno where the person is from.
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done
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Here's the answer, since you are no longer anonymous. :)
Date Posted:
6 years ago
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