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class 8 science chapter 10 class 1

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  1. 1.
  2. 2. -
  3. 3.
  4. 4. , ,
  5. 5. 1
  6. 6. +
  7. 7.
  8. 8.
  9. 9. 2 4
  10. 10. CH4- H H H H C
  11. 11.
  12. 12. NaOH
  13. 13.
  14. 14. NaOH KOH Ca (OH)2 NH4OH Al(OH)2 CaO CUO - OH- -O-
  15. 15. - -
  16. 16. ?
  17. 17.

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