1. An acid can react with 

(a) AgCl 

(b) Na₂CO₃ 

(c) PbSO₄ 

(d) Na₂SO_​4

Dear Student

Acid can react with Na₂CO₃.

Eg: $HCl + N{a}_{2}C{O}_3 \stackrel{}{\to } NaHC{O}_3 + NaCl$

Acid can react with Na₂SO4

Eg: $N{a}_{2}S{O}_{4 }+ 2 HCl \stackrel{}{\to } 2 NaCl + H_{2}S{O}_4$

Regards