Question

1/ Na₂SO₄ + Pb(NO₃)₂ →.....................

2/ Na₂S + Pb(NO₃)₂ →....................

3/ HCl + Fe₂O₃ →..................

4/ HCl + AgNO₃ →..................

5/ HCl + Fe₃O₄ →...................

6/ HCl + MnO_{2 →..........................}

7/ HCl + FeO →......................

8/ H₂SO_{4 loãng} + Fe →....................

9/ H₂SO_{4 loãng +} Na₂SO_{3→..........................}

_10/ H₂SO4 _{loãng +} Na₂S →..................

Answer 1

https://i.imgur.com/ZrFXMrP.jpg