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Search results

  1. malay

    Biology; Chemistry; Physics: Post your doubts here!

    Is this carbon dating thing in our syllabus??
  2. malay

    Biology; Chemistry; Physics: Post your doubts here!

    wats that??:confused:
  3. malay

    Biology; Chemistry; Physics: Post your doubts here!

    fats have similar linkages to that of terylene (ester linkages) Only that their monomers consists of glycerol and fatty acids; different from terylene. structure of fats structure of terylene
  4. malay

    Biology; Chemistry; Physics: Post your doubts here!

    k i finally understand..thanx a bunch:)
  5. malay

    Biology; Chemistry; Physics: Post your doubts here!

    yup.. thanx(y) got one more Q/8 http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20O%20Level/Chemistry%20%285070%29/5070_w10_qp_11.pdf with reason??
  6. malay

    Biology; Chemistry; Physics: Post your doubts here!

    A dark, shiny solid, X, conducts electricity. Oxygen combines with X to form a gaseous oxide. What is X? A graphite B iodine C iron D lead How r we suppose to know which oxide is gaseous n which is not?
  7. malay

    Biology; Chemistry; Physics: Post your doubts here!

    here http://revisionguide.blogspot.com/2011/08/physics-atp-notes.html
  8. malay

    Biology; Chemistry; Physics: Post your doubts here!

    :eek: ok m wrong!!!!! but u can do it this way for ammonia aswell n yeah thanks for the correction:D
  9. malay

    Biology; Chemistry; Physics: Post your doubts here!

    first of all A should be (NH4)3PO4 coz phosphate ion is PO4^-3 den the answer will be A coz o.5*2=1mol so mass of nitrogen is 14*3=42*2=84-->greatest ....hopefully:p
  10. malay

    Biology; Chemistry; Physics: Post your doubts here!

    no prob:)
  11. malay

    Biology; Chemistry; Physics: Post your doubts here!

    studybuddy(y) ............go study from there:p n do as many pastpapers as you can..daz all
  12. malay

    Biology; Chemistry; Physics: Post your doubts here!

    thanx buddy:)
  13. malay

    Biology; Chemistry; Physics: Post your doubts here!

    yeah right....i got 10 wrong the last time i did them just coz i was goin to the depth which wasnt required....:D
  14. malay

    Biology; Chemistry; Physics: Post your doubts here!

    wats flue gas desulfurisation??...detail plz
  15. malay

    Biology; Chemistry; Physics: Post your doubts here!

    thanx a bunch(y)
  16. malay

    Biology; Chemistry; Physics: Post your doubts here!

    The mass of one mole of a chloride formed by a metal Y is 74.5 g. What is the formula of the chloride? A Y3Cl B Y2Cl C YCl D YCl 2
  17. malay

    Biology; Chemistry; Physics: Post your doubts here!

    Which gas contains the same number of molecules as 9 g of water? A 2 g of hydrogen B 14 g of nitrogen C 32 g of oxygen D 44 g of carbon dioxide
  18. malay

    Biology; Chemistry; Physics: Post your doubts here!

    air contains 20% oxygen so 20/100*80=16 cm3 of O2 reacts with iron thus 80-16=64cm3 volume of gas remains B is the answer....
  19. malay

    Biology; Chemistry; Physics: Post your doubts here!

    31-B 5-D ?????
  20. malay

    Biology; Chemistry; Physics: Post your doubts here!

    i guess coz both the products formed are soluble e.g KNO3(aq)+HCl(aq)--->KCl(aq)+HNO3(aq) KNo3(aq)+AgCl(s)--->KCl(aq)+AgNO3(aq) its not suitable as we cant seperate them.... (correct me if m wrong)
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