1. 2NaF+CaCl2=2NaCl + CaF2
F+Ca=CaF2
2. HCl+AgNO3=AgCl + HNO3
Cl+Ag=AgCl
3.NaBr+AgNO3 = AgBr+NaNO3
Br+Ag=AgBr
4.NaI+AgNO3=AgI+NaNO3
I+Ag=AgI
5.NaCl+H2SO4=Na2SO4+HCl
1. 2NaF+CaCl2=2NaCl + CaF2
F+Ca=CaF2
2. HCl+AgNO3=AgCl + HNO3
Cl+Ag=AgCl
3.NaBr+AgNO3 = AgBr+NaNO3
Br+Ag=AgBr
4.NaI+AgNO3=AgI+NaNO3
I+Ag=AgI
5.NaCl+H2SO4=Na2SO4+HCl