Please answer this

Question

Use the following choices to classify each reaction given below (More than one choice may apply).

a. Oxidation–reduction

b. Acid–base

c. Precipitation

Na₂SO₄(aq) + Pb(NO₃)₂(aq) → PbSO₄(s) + 2NaNO₃(aq)

Answer 1

Na₂SO₄(aq) + Pb(NO₃)₂(aq) → PbSO₄(s) + 2NaNO₃(aq)

This is a precipitation (double replacement) reaction as indicated by the formation of a solid product, PbSO₄(s)