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  1. sj0007

    Physics, Chemistry and Biology: Post your doubts here!

    A binary compound is a chemical compound that contains exactly two different elements. Examples of binary ionic compounds include calcium chloride (CaCl2), sodium fluoride (NaF), and magnesium oxide (MgO),
  2. sj0007

    Physics, Chemistry and Biology: Post your doubts here!

    I think the bio one is the best: it is the chemical reaction that breaks down nutrient molecules in living cells to release energy
  3. sj0007

    Physics, Chemistry and Biology: Post your doubts here!

    Acidified potassium mangnate is an oxidising agent so just say that add potassium mangnate to ethanol inorder to form ethanoic acid The usefulness of chromotography just means that u should know that it is used in identifying the colourless substances present in the mixtures by spraying the...
  4. sj0007

    Physics Application Short Question complilation for last minute revision

    Thanks a ton!!! May Allah(SWT) bless you!!
  5. sj0007

    ~~jokes?? in here?? really??

  6. sj0007

    ~~jokes?? in here?? really??

    This was something that I found to be amazing!!!
  7. sj0007

    Physics, Chemistry and Biology: Post your doubts here!

    The social implications ques had come previously in one of the past papers and the options were: So, I guess the answers will be similar to these options.................. :)
  8. sj0007

    Physics, Chemistry and Biology: Post your doubts here!

    Maybe zinc is unique or something......
  9. sj0007

    Physics, Chemistry and Biology: Post your doubts here!

    I know I related them to the temperature being increased due to light intensity but then the light intensity wasn't increasing...... So it was wrong.......
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