Question

РИО:

1) HCl+NaOH

2) HCl+CuO

2) HCl+CaCO3

ПОМОГИТЕ ПОЖАЛУЙСТА!

Answer 1

1. HCl + NaOh = NaCl + H20

2. 2HCl+CuO = H2O + CuCl2

3. HCl + CaCO3 =H2CO3+CaCl2 

Answer 2

1) HCl + NaOH = NaCl + H20
2) 2HCl+CuO = H2O + CuCl2
3) 2HCl + CaCO3 =H2CO3+CaCl2