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CHEM DOUBT!!

Thread starter SB29597
Start date May 29, 2012

May 29, 2012

#1

SB29597

Can someone tell me what cathodic protection is?! :O
Its in a past paper and i've never heard of it!!!!!!!

May 29, 2012

#2

SB29597

Umm okay I'm stuck can anyone help. I dont get what the ms is trying to say :/
http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s07_qp_3.pdf
http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s07_ms_3.pdf

Question 5 b (iv). Its obvious it wont rust- but the ms does not make much sense to me. Someone Explain please

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