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Worksheetsbalancing chemical equations
Total questions: 15
Worksheet time: 30mins
____CuCO3 → ____CuO + ____CO2
1,1,1
2,2,2
3,3,3
3,2,3
2,3,3
____Pb3O4 + ____HNO3 → ____Pb(NO3)2 + ____PbO2 + ____H2O
4,3,2,1,1
1,4,2,1,2
3,1,2,3,4
4,3,2,1,1
2,8,4,2,4
Which side of the arrow are the products found?
to the left
to the right
in the middle
Balance the Chemical Equation
__Na + __H2O --> __NaOH + __H2
2,2 --> 2,1
4,4 --> 4,1
1,2 --> 2,4
1,2 --> 2,1
Which side of the yield sign are the reactants found?
to the left
to the right
in the middle
__Na + O2 -----> __Na2O
Balance it
2Na + O2 ---> 4Na2O
4Na + O2 ---> 2Na2O
Na + O2 ---> Na2O
2Na + 2O2 / 4Na2O
Balance this equation: _Zn + _O2 --> _ZnO
1, 1, 2
2, 1, 2
1, 1, 1
2 ,2, 2
How many water molecules do you need to balance the equation: __H20 --> 2H2 + O2?
1
2
3
0
H2O
____Ca + ____O2 → ____CaO
1,2,1
1,1,1
2,1,1
2,1,2
2H2 + O2 --> 2H2O
____MgO + ____HNO3 → ____Mg(NO3)2 + ____H2O
2,3,2,3
2,4,5,7
1,2,1,1
1,1,1,3
____Ba + ____H2O → ____Ba(OH)2 + ____H2
2,3,1,1
1,2,3,1
1,1,1,2
1,2,1,1
