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Give 4 of making a reaction between a solid and a liquid go faster Watch

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    chemistry question
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    What things increace ror?


    What things only apply to solid or liquid?

    (Original post by _aishahxo_)
    chemistry question
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    Guessing catalyst, surface area, temperature and volume.
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    Concentration and volume of liquid
    Presence of a catalyst
    Surface area of solid
    Temperature
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    Not volume, the other one.

    (Original post by Certified)
    Guessing catalyst, surface area, temperature and volume.
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    (Original post by Jehaan)
    Concentration and volume of liquid
    Presence of a catalyst
    Surface area of solid
    Temperature
    Dont put volume. Ps if you put 5 variables and it asks for 4 you could score 0 marks if AQA
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    (Original post by earthworm)
    Dont put volume. Ps if you put 5 variables and it asks for 4 you could score 0 marks if AQA
    I didn't think that was a thing. In A-Levels they tend to scrutinize if you contradict you answer or put too many points, but in GCSE most mark schemes allow contradiction as long as the right thing is there and allow more points but w/e
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    (Original post by caitlinford3)
    I didn't think that was a thing. In A-Levels they tend to scrutinize if you contradict you answer or put too many points, but in GCSE most mark schemes allow contradiction as long as the right thing is there and allow more points but w/e
    With gcse they do see 3.1 http://filestore.aqa.org.uk/subjects...W-MS-JUN14.PDF
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    (Original post by earthworm)
    With gcse they do see 3.1 http://filestore.aqa.org.uk/subjects...W-MS-JUN14.PDF
    maybe it's just aqa, edexcel don't do it with science
 
 
 
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