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Search results

  1. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    haha quoted the wrong guy :D
  2. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    aray dada Iron is in the making of ammonia
  3. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    C its potassium chloride becasue since one mole has mass in decimals it means there is only 1 atom of Cl which is 35.5 u subtract that ... 74.5- 35.5 = 39 which is Potassium which has valency of +1
  4. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    hydrogenation needs 180c and nickel hydration needs 300c and phosphoric acid cracking needs al203 and high temperature(different temp for different products) or porcelean chips or ceramics... acid making needs alcohol and potassium dichromate or any other oxidizing agent. esterification needs...
  5. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    lol so many people answer so fast :D
  6. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    In addition polymer 2 same monomer units join together to form polymer only and nothing additional is formed like C2H4 will form polyethene. in condensation 2 different monomers join and they form the polymer and a water molecule, like polyesters and polyamides.
  7. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    The air diffuses out of the pot and the Hydrogen diffuses into the pot, since H2 has a very low Mr, It will diffuse faster into the pot thus increasing the pressure exerted on the water (because there are a lot of particles there), the air will continue diffusing out slowly and later both air...
  8. Translucent231

    CIE answer space

    no not true.
  9. Translucent231

    Maths, Addmaths and Statistics: Post your doubts here!

    haha .. :D he knows the concept.. he just wanted to ask how u put it in words :D
  10. Translucent231

    Maths, Addmaths and Statistics: Post your doubts here!

    well the second means that the students who study BOTH history and maths, while the first means all the students who study maths and all the students who study history and all who study both.
  11. Translucent231

    Maths, Addmaths and Statistics: Post your doubts here!

    HUM = Students who study history and the students who study maths and the students who study both :p HnM = Students who study history and maths. i think that should cut it.
  12. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    0.04 C
  13. Translucent231

    How'd your physics Papers go ?

    yes we were supposed to do that... but the question had a bit of a thing to notice... there was one force on right acting downwards (making clockwise ) there were 2 forces on left of pivot one was downwards ( ANTICLOCKWISE ) but the other which we had to calculate was UPWARDS (CLOCKWISE) .. i...
  14. Translucent231

    Maths, Addmaths and Statistics: Post your doubts here!

    Ikram Khaliq haha :D i posted this earlier, The mark scheme is wrong 100% gurranteed, if u use their equation u will get the wrong answer and the funny part is.. the examiner report has a different answer but the one in Examiner report is correct :D 4y + 3x = 2 is the correct equation y − 4 =...
  15. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    sodium steareate = soap lol u make it from glycerol and stearic acid (mind my spellings) and then hydrolysis of the product (ester) with NaOH ... its not in our syllabus but there is no harm in knowing it :D ... the only hydrolysis that is in our syllabus is of Proteins into amino acids and...
  16. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    One more :
  17. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    33 Element R reacts with oxygen to form a gas, T. T changes the colour of damp litmus paper from blue to red. T is used to kill bacteria in the preservation of dried fruit. What is R? A carbon B chlorine C nitrogen D sulphur
  18. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    NaOH is deliquescent it doesnt stay solid in open air it turns aqueous from the moisture :p ajao ho jaye chemical phadda :p and CO2 is 0.039% lol
  19. Translucent231

    Biology; Chemistry; Physics: Post your doubts here!

    aluminium argon iron nickel nitrogen phosphorus sodium which of the above is the answer? : (c) reacts with oxygen to give an acidic oxide, Nitrogen or phosphorus?? (nothing else i guess?) WHY DOES THE BLOODY MARK SCHEME SAY THAT ITS ALUMINIUM OXIDE :@ ITS NOT EVEN IN THE BLOODY OPTIONS...
  20. Translucent231

    physics paper 1,2 ........can we discuus da papper nw?

    background is from cosmic and underground rocks :p
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