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  1. Shadow

    Chemistry P1 and P2 today

    U mentioned the first one correct (y) but dude aluminium was not even used :D
  2. Shadow

    Chemistry P1 and P2 today

    Yup
  3. Shadow

    Chemistry P1 and P2 today

    Lets just hope u did not :D
  4. Shadow

    Chemistry P1 and P2 today

    It was about H4NO3V, v had to name two ions present in it
  5. Shadow

    Chemistry P1 and P2 today

    Nope. Metals form basic oxides. NaOH is already a base, so it wont react with copper oxide
  6. Shadow

    Post your Physics queries here ...

    No prob at all :)
  7. Shadow

    Chemistry P1 and P2 today

    Arey u ppl r making a blend of physix n chem :P have v studied anything known as A.C in chemistry? :D Also the ques did not specify whether it was really A.C or not.
  8. Shadow

    Chemistry P1 and P2 today

    But than y did they mention "electric kettle" ... From our knowledge of chemistry only, v were supposed to know that electrons in a circuit move in one direction only
  9. Shadow

    Post your Physics queries here ...

    Anytime :) thats wat the thread is for :P
  10. Shadow

    Post your Physics queries here ...

    Relay circuit is one in which a small change in current or voltage controls the switching on n off of the circuit or other devices. Circuit breaker is an example of a relay circuit. When current becomes high inside, soft iron bar is magnetised and it attracts the iron armature in the circuit...
  11. Shadow

    Post your Physics queries here ...

    Logic gates r the "ratta wali thing" :P They r the different arrangements of inputs n outputs in a circuit. Three Basic gates r AND, OR, NOT. Other 2 gates r combinations of basic gates. They r NAND n NOR. For more help, try these notes.
  12. Shadow

    Post your Physics queries here ...

    For that u have to learn the whole order of spectrum. Waves upwards have low frequencies n larger wavelengths. These r usually harmless as infrared r used in remote controls as well. Waves down have high frequency n short wavelength, which makes them dangerous. These include the gamma rays and...
  13. Shadow

    Post your Physics queries here ...

    Casing becomes live as the earth wire (green n yellow) is connected wrong. It shud b connected in the middle of the plug
  14. Shadow

    Chemistry P1 and P2 today

    It was an electric kettle, n in a circuit electrons move in one direction only to carry the charge. Now that u have studies in physix as wel ;)
  15. Shadow

    Post your Physics queries here ...

    Thnx for dat :) also i wanted to know that which energy is greatest at the mid-point of pendulum n at its highest point?
  16. Shadow

    Post your Physics queries here ...

    Ok the ppr is now soo close n v r not even getting any gap ... M quite weak at the energy changes n wud appreciate any help regarding it. Like what r the energy changes in a pendulum, power station n motion of a ball being dropped?
  17. Shadow

    Chemistry P1 and P2 today

    indeed ... i just did not want to take any chances in the ppr :)
  18. Shadow

    Chemistry P1 and P2 today

    Yup, thats xactly y i used a pen, plus a frnd of mine said that the image is not completely clear in scanning if drawn with pencil .. so i was just thinking that y take the risk
  19. Shadow

    Chemistry P1 and P2 today

    i hope so ..
  20. Shadow

    Chemistry P1 and P2 today

    Sure that using pen in drawings is allowed?
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