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    Chemistry prelim soon
    What are the sg questions that usually appear at the start?
    What sg topics should I be looking over?
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    (Original post by flubberrer)
    Chemistry prelim soon
    What are the sg questions that usually appear at the start?
    What sg topics should I be looking over?
    (assuming you're talking about higher) Some of the things that come in to my head:

    Reactivity series/electrolysis. Electrons flow from metals higher up the series to the one lower down.
    Iron rusting.
    Mole calculations. N_m=\frac{mass}{gfm} and c=N_m v

    Um, I think you're sometimes asked about hydrocarbons, think alkanes/enes/ynes, cycloalkanes.
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    Sorry, yeah I'm talking about higher. I always feel terrible when I get the sg questions wrong haha.
 
 
 

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