$CaCl_2:$Muối :Canxi clorua 

$HBr:$Axit :Axit bromhiđric

$Fe(OH)_2:$Bazơ :Sắt $(II)$ hiđroxit 

$HNO_2:$Axit :Axit nitrơ 

$CuOH:$Bazơ :Đồng $(I)$ hiđroxit 

$H_2SO_4:$Axit :Axit sunfuric 

$Al(OH)_3:$Bazơ :Nhôm hiđroxit 

$NaH_2PO_4:$Muối :

Natri đihiđrophotphat 

`@ThanhNhan216``_``#hoidap247`

$\text{Câu 9.}$

$\text{Axit:}$

`HBr` `:` $\text{axit bromhiđric}$

$HNO_{2}$ `:` $\text{axit nitrơ}$

$H_{2}$ $SO_{4}$ `:` $\text{axit sunfuric}$

$\text{Bazơ:}$

$Fe(OH)_{2}$ `:` $\text{sắt (II) hiđroxit}$

`CuOH` `:` $\text{đồng (I) hiđroxit}$

$Al(OH)_{3}$ `:` $\text{nhôm (III) hiđroxit}$

$\text{Muối:}$

$CaCl_{2}$ `:` $\text{canxi clorua}$

$NaH_{2}$$PO_{4}$ `:` $\text{natri đihiđro photphat}$