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9-sinf kimyo

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  • Cu+O2=....
    CuO
  • Al necha valentli?
    3
  • Al massasi necha gramm?
    27
  • Cu qaysi oilaga mansub?
    metallar
  • Eng yengil metall.
    Li
  • Qizg'ish rangli metall
    Cu
  • Al+O2= ....
    Al2O3
  • suyuq metall qaysi?
    Hg
  • Al ning fizik xossalari.
    Bolg'alanuvchan, issiqlik o'tkazuvchan, Elektr o'tkazuvchan, yumshoq .
  • Cu valentligi nechchiga teng?
    1 va 2
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