Nhận biết các dd không nhãn: H2SO4, HCl,Na2SO4
2. Nhận biết các dung dịch:
a) Lập sơ đồ nhận biết: .....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
b) Cách tiến hành: STT 3; Tên thí nghiệm:Nhận biết các dd không nhãn: H2SO4, HCl,Na2SO4; Cách tiến hành; Nhận xét -PTHH .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
a) Lập sơ đồ nhận biết: .....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
b) Cách tiến hành: STT 3; Tên thí nghiệm:Nhận biết các dd không nhãn: H2SO4, HCl,Na2SO4; Cách tiến hành; Nhận xét -PTHH .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................