CHO CAC PHAN NG SAU
Câu 21: Cho cac phan ng sau :
t
0
(1) Fe(OH)
2
+ HNO
3
đ c
t
0
(2) CrO
3
+ NH
3
(3) Glucozo + Cu(OH)
2
(4) SiO
2
+ HF (5) KClO
3
+ HCl
(6) NH
4
Cl + NaNO
2 bão hòa
(7) SiO
2
+ Mg
t
0
(8) KMnO
4
(9) Protein + Cu(OH)
2