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Science Test Paper Carbon and its Compounds Class 10

Chapter 4  Class 10 Carbon and Electron Structure

  1. what would be the electron dot structure of a molecule of sulphur made up of eight atoms of sulphur?
  2. How many structural isomers can you draw for pentane?
  3. what are oxidising agents?
  4. would you be able to check if water is had by using a detergent?
  5. what is homologous series? explain with an example.
  6. Draw the electron dot structures for
    1. Ethanoic Acid
    2. H2S
    3. Propanone
    4. F2
  7. Explain the mechanism of the cleaning action of soaps.

Carbon:-

it is a very important chemical element, with a chemical symbol of C. All known life on Earth needs it. it has an atomic mass 12 and an atomic number 6