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  1. Cadence

    Chemistry: Post your doubts here!

    The answer for the first one is potassium?
  2. Cadence

    Physics: Post your doubts here!

    3
  3. Cadence

    Chemistry: Post your doubts here!

    hey guys how's the paper today?
  4. Cadence

    Chemistry: Post your doubts here!

    did u get ur ans?
  5. Cadence

    Chemistry: Post your doubts here!

    yea i did but i can't find any paper for the year 2014 btw thx for the notes below
  6. Cadence

    Chemistry: Post your doubts here!

    First u know n(NaOH)=0.2mol, so n(Al2O3) will be 0.1mol, The total n(HCL)=1.6mol since n(Al2O3)=0.1mol, n(HCL) used to dissolve AL2O3 is 0.6mol, n(HCL) left to dissolve Mgo is 1.6-0.6=1mol, so n(MgO) will be0.5mol
  7. Cadence

    Chemistry: Post your doubts here!

    Someone solved this ques tho u can check the previous page The ans is C because C-Cl bond is broken.
  8. Cadence

    Chemistry: Post your doubts here!

    Anyone pls explain 9701/11/m/14 ques 8 and 9
  9. Cadence

    Chemistry: Post your doubts here!

    Thank you!!
  10. Cadence

    Chemistry: Post your doubts here!

    9701/13/o/13
  11. Cadence

    Chemistry: Post your doubts here!

    Which halogenoalkane produces the highest percentage of product by an SN1 mechanism, when treated with Naoh (aq) A 2-bromopropane B 2-chloroprapane C 1-iodo-2-methylpropane D 2-iodo-2methylpropane
  12. Cadence

    Chemistry: Post your doubts here!

    The Ans is B
  13. Cadence

    Chemistry: Post your doubts here!

    Anyone help me to solve this question thx~~~ Total removal of the pollutant So2 is difficult both for economic and technical reasons. the quantities emitted from furnace chimneys can be lowered by using desulfurization plants. The gases are scrubbed with Ca(oH)2 to removes so2. what is the main...
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