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ok so here i have a chemistry p5 question 2 ....... so dont skip this question i really need the answer!!!!
http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s08_qp_5.pdf
so in Q2 part (f) they asked to draw construction lines
so can you tell me what these construction lines are and how to make them on the graph ????
I just quoted a graph from Google. Construction lines are lines which i have denoted by thick dotted lines. These enables you to read the variable (y-axis value if u wish) at a particular point (the x axis value). Hope this helped & Good luck.
P.S the exception here is that in Paper 5 you'll have to draw these lines on a Grid (Graph paper). Here, its a blank space on the background.