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  1. Z

    Chemistry: Post your doubts here!

    btw that q about solubility of hydroxides or sulfates comes literally in every paper lol
  2. Z

    Chemistry: Post your doubts here!

    yeah, not that easy but easier as compared to last year
  3. Z

    Chemistry: Post your doubts here!

    actually ethandioc acid was further oxidized to CO2
  4. Z

    Chemistry: Post your doubts here!

    three carbon containing products
  5. Z

    Chemistry: Post your doubts here!

    does someone remember what the name of structure was? for last q
  6. Z

    Chemistry: Post your doubts here!

    wasn't one Carbon which formed double bond had two Hs attached to it?
  7. Z

    Chemistry: Post your doubts here!

    could it have been CO2?
  8. Z

    Chemistry: Post your doubts here!

    nano2+hcl and t<5 and then react the product the N+triplebondN ion with that compound which had OH
  9. Z

    Chemistry: Post your doubts here!

    in past papers they specifically asked to include units, here it was just the numerical value. was half way through deducing the units but didnt go ahead. pretty sure they weren't required
  10. Z

    Chemistry: Post your doubts here!

    i didnt, they only asked for the numerical value. good enough for one mark i guess
  11. Z

    Chemistry: Post your doubts here!

    yeah it was 6000 something don't remember
  12. Z

    Chemistry: Post your doubts here!

    one was in excess i don't remember which using the limited reagant i think i found the moles for hcl, then found the moles of H+ which were in 800cm^3 but we needed for 1 dm. so moles*1000/800 and then the -log10(h+) formula, honestly i cant recall
  13. Z

    Chemistry: Post your doubts here!

    i i wrote si(oh)4 both are correct because actually hcl was soluble
  14. Z

    Chemistry: Post your doubts here!

    white solid and steamy fumes
  15. Z

    Chemistry: Post your doubts here!

    i filled it last year too but that was for having an expired passport just pray
  16. Z

    Chemistry: Post your doubts here!

    does someone have any idea what could be the possible consequence of filling that form, i hadn't closed the paper once it was finished. freaking out rn.
  17. Z

    Chemistry: Post your doubts here!

    these are for benzene, for phenol just dilute HNO3 at rtp
  18. Z

    Chemistry: Post your doubts here!

    i wrote the same but not sure if second one is right
  19. Z

    Chemistry: Post your doubts here!

    Threshold predictions?
  20. Z

    Chemistry: Post your doubts here!

    wasn't it for nitration of phenol?
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