Question

Complete the following equations: (Should be balanced) [5]
1. Pb (NO 3 ) 2  _________ + _______ + O 2
2. KClO 3  ________ + ________
3. Mg + O 2  _________
4. KOH + HCl  _______ + _______
5. CaCO 3  ______ + _________

Answer 1

Here's your answer mate

1. 2Pb(NO3)2 ---> 2PbO +2 NO2 + O2
2. 2KClO3 ---> 2KCl + 3O2
3. 2Mg + O2 ---> 2MgO
4. KOH + HCl ---> KCl + H2O
5. CaCO3 ---> CaO + CO2

Hope it helps you!