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  1. A

    Share all ur chemistry doubts here!!!

    1.empirical formula is the simplest molecular formula. Therefore, u have to simplify no of given atoms: 5Mg and 10 Cl= MgCl2 2. No of mole (for gas at rtp)= volume of gas/volume of gas at rtp (24dm^3)
  2. A

    Share all ur chemistry doubts here!!!

    I dont think u r suppose to learn all the colours of transition metals. Anyhow maybe this can help u out! Ion Colour Copper (II) Blue Cobalt (II) Red Manganese (II) Pale pink Iron (II) Green Iron (III) Orange, yellow or brown Vanadium (II) Purple Vanadium (III) Green Vanadium...
  3. A

    Share all ur chemistry doubts here!!!

    Well chem p1 is little bit tricky and needs alot of practise. U can post any of them though :)
  4. A

    Share all ur chemistry doubts here!!!

    Solve all your chemistry doubts in p1, 3 or 6 (O-level) by posting it here;)
  5. A

    English as a second language- Writing paper 2

    paper wasnt that difficult (y)
  6. A

    English as a second language- Writing paper 2

    21
  7. A

    English as a second language- Writing paper 2

    you have to cross wrong ans i.e NO
  8. A

    English as a second language- Writing paper 2

    my exam starts after 3hrs and 36mins and persistently planning on how to fill all that within just 2hrs!!
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