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how do we draw the construction lines ? or how to find the slope? Its asked in almost all questions ? :O HELP! for example:
http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w10_ms_51.pdf
http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w10_qp_51.pdf
Question 2 part (e) (i)
http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w10_ms_51.pdf
http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w10_qp_51.pdf
Question 2 part (e) (i)