>> 8 .

6.

 


36. ٸ, ()

3. ٸ + ()

( ):

CuCl2 + 2 = u()2↓ + 2l

, , .

10 21.

. ٸ :

+ 2O = ()2

. . ( !)

    . , , , . , . , , . , NaOH.

    :

    2Na + 22O = 2NaOH + H2↑ + Q

    ?

, , : (. 67). , . . , .

, : .

ٸ

1. , , ()2.

2. , .

3. I (. . 20, 33) , . .

4. , , ? .

5. : , . ?

6. , . .

7. , :

) → → ()2 → Cas(PO4)2
) → Ba(NO3)2 → ()2

8. () () (. .), 500 .

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