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  1. themightygiraffe

    Physics, Chemistry and Biology: Post your doubts here!

    are we supposed to round our numerical answers in physics to 2 significant figures ? because it doesnt make sense but all the answers in the mark scheme are rounded to 2 s.g.f
  2. themightygiraffe

    Is anybody worried about Chemistry paper 32 and Physics 32?

    all i'm doing now is praying for the curves to be in negative values which is kinda impossible but u get my point i want the curves to be low af
  3. themightygiraffe

    Physics, Chemistry and Biology: Post your doubts here!

    thanks alot :D
  4. themightygiraffe

    Is anybody worried about Chemistry paper 32 and Physics 32?

    I've been freaking out ever since maths ppr 2 :cry: basically most of my exams were horrible :(
  5. themightygiraffe

    Physics, Chemistry and Biology: Post your doubts here!

    thanks and also how is copper sulfate formed from sulfuric acid ?
  6. themightygiraffe

    Physics, Chemistry and Biology: Post your doubts here!

    i just wanna make sure that only metals below hydrogen in the reactivity series don't react with acids right ? :)
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