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AQA A2 Chemistry Unit 5 (CHEM5) Unofficial Markscheme 22nd June 2016 Watch

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    I'm sure 1biii asked for the reaction with the metal and water not the metal oxide
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    did the solubility increase or decrease for Mgcl2? can someone explain
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    (Original post by isaisababy)
    I've made a google doc which we can use to create a markscheme together.

    Please edit and add questions and the marks allocated for each.

    https://docs.google.com/document/d/1...qyFy7Ss84/edit

    I'm sure the sodium one was an oxide? Because I remember it said form a product with PH14 and we know the PHs for oxides reacting with water
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    (Original post by isaisababy)
    I've made a google doc which we can use to create a markscheme together.

    Please edit and add questions and the marks allocated for each.

    https://docs.google.com/document/d/1...qyFy7Ss84/edit
    Also you know for 7- the cr(0h)6^3-
    Did it ask for he colour green or did it ask for the complex like the other questions?
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    Can someone help me out with a few Qs- for the one about environment , can you just put h20 only product or do you have to hammer on about it not being as bad as co2? Also on the Q (7 marks) about adding ethanediol te to co2+ do you have to say delta H is the same ?:/ also the very last Q - can you say: mn04- absorb white light frequencies and the freq not absorbed detected by colouring ter to give value of conc
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    can you make one for chem4?
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    (Original post by isaisababy)
    I've made a google doc which we can use to create a markscheme together.

    Please edit and add questions and the marks allocated for each.

    https://docs.google.com/document/d/1...qyFy7Ss84/edit
    Is there anywhere I can find the unit 5 paper from 2016? I can't seem to find it anywhere online
 
 
 
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