Question

1)H2Cl2+K2SO4–>
2)KNO3+NaCl—>
3)MgCO3–>

Answer 1

H₂Cl₂ + K₂SO₄ = H₂SO₄ + 2KCl

KNO₃ + NaCl = KCl +NaNO₃

MgCO₃ = MgO + CO₂