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  1. Maz

    Chemistry Doubts: IGCSE Paper 3

    By the way it doesn't.
  2. Maz

    Chemistry Doubts: IGCSE Paper 3

    As far as i have seen cathodic protection is the same as what we already have in our syllabus. Namely - Electrolysis and sacrifial protection.
  3. Maz

    Chemistry Doubts: IGCSE Paper 3

    Oh,right. Thnx(y). -OOC - C6H4 - COO - CH2 - CH2 -
  4. Maz

    Physics, Chemistry and Biology: Post your doubts here!

    1. Endothermic reactions involve breaking of bonds eg.melting of ice.Exothermic reactions involve bonding eg.freezing of water to ice. 2.Heat energy is produced by burning fuels.eg burning methane. 3.A simple cell consists of 2 different metals in a solution of an electrloyte. The more reactive...
  5. Maz

    Chemistry Doubts: IGCSE Paper 3

    You know I don't think we have to learn cathodic protection as a separate topic altogether. Instead , weshould apply the knowledge we already have (Electrolysis and sacrificial protection)
  6. Maz

    Mostly mangas. Other than naruto too.

    Mostly mangas. Other than naruto too.
    • Maz
    • Profile post comment
  7. Maz

    If you look at the eyes carefully, you can notice the spindle like sharingan.

    If you look at the eyes carefully, you can notice the spindle like sharingan.
    • Maz
    • Profile post comment
  8. Maz

    Yup! Itachi.

    Yup! Itachi.
    • Maz
    • Profile post comment
  9. Maz

    Chemistry Doubts: IGCSE Paper 3

    This is condensation polymerisation. So, water is removed from it. HOOC - C6H4 - CO - CH2 - CH2 - OH
  10. Maz

    Physics, Chemistry and Biology: Post your doubts here!

    The drawing isn't good but i hope it helps(y)
  11. Maz

    Biology; Chemistry; Physics: Post your doubts here!

    I am not sure but i think it would be silver nitrate which would cause a white ppt to be formed with HCl(test of chlorine)but not with HNO3.
  12. Maz

    Chemistry paper 3

    I think you should also learn the results of heating hydroxides and nitrates.
  13. Maz

    Physics, Chemistry and Biology: Post your doubts here!

    Are you sure? An aqueous solution can also be a concentrated solution.(I think so)
  14. Maz

    Chemistry Doubts: IGCSE Paper 3

    All you have to know is that -In the fuel cell, hydrogen (or methane), is put along with oxygen and made to react via an externel circuit to provide electricity. -They are expensive to set up but provide a steady source of electricity.
  15. Maz

    Physics, Chemistry and Biology: Post your doubts here!

    can someone please explain this sentence to me "Show understanding that the direction of an induced e.m.f. opposes the change causing it" Its mentioned in the syllabus.
  16. Maz

    Assalaamu alaikum

    Assalaamu alaikum
    • Maz
    • Profile post
  17. Maz

    Biology paper 3

    The sylabus says "Describe the process of chewing". How???
  18. Maz

    Biology paper 3

    (y) I thought so but wasnt sure
  19. Maz

    Physics, Chemistry and Biology: Post your doubts here!

    Is that all we gotta say for 3 marks?
  20. Maz

    Physics, Chemistry and Biology: Post your doubts here!

    How is the fungus adapted to obtain it's food? [3 marks]
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