class 8 science chapter 10 class 1
Post on 12-Aug-2015
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- 1.
- 2. -
- 3.
- 4. , ,
- 5. 1
- 6. +
- 7.
- 8.
- 9. 2 4
- 10. CH4- H H H H C
- 11.
- 12. NaOH
- 13.
- 14. NaOH KOH Ca (OH)2 NH4OH Al(OH)2 CaO CUO - OH- -O-
- 15. - -
- 16. ?
- 17.
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