Practise exam question quiz on Balancing Chemical Equations (GCSE level
chemistry)
Note that 1's are not written in the equation but the feedback will sort that out!
Which four quantities a, b, c and d are required to balance the equation ... aCH4(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-1]
1 2 1 2
1 1 1 2
1 2 2 1
1 1 1 1
Which four quantities a, b, c and d are required to balance the equation ... aC2H6(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-2]
1 2 1 3
2 7 4 6
2 4 4 6
1 7 2 3
Which four quantities a, b, c and d are required to balance the equation ... aC3H8(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-3]
1 3 3 4
2 10 4 6
1 5 3 4
2 5 2 3
Which four quantities a, b, c and d are required to balance the equation ... aC4H10(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-4]
1 13 8 4
2 7 4 10
1 5 3 4
2 13 8 10
Which four quantities a, b, c and d are required to balance the equation ... aC5H12(l) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-5]
1 8 5 6
1 4 4 6
2 4 5 12
2 8 10 12
Which four quantities a, b, c and d are required to balance the equation ... aC6H14(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-6]
2 9 6 14
2 19 12 14
1 9 6 7
1 10 12 7
Which four quantities a, b, c and d are required to balance the equation ... aC7H16(l) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-7]
1 5 7 8
2 12 14 16
1 11 7 8
2 11 14 16
Which four quantities a, b, c and d are required to balance the equation ... aC8H18(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-8]
1 13 8 18
1 13 8 9
2 13 16 18
2 25 16 18
Which four quantities a, b, c and d are required to balance the equation ... aC2H4(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-9]
1 3 2 2
1 2 2 2
2 3 4 4
2 6 4 4
Which four quantities a, b, c and d are required to balance the equation ... aC3H6(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-10]
2 5 6 6
2 9 6 6
1 5 3 3
1 9 3 3
Which four quantities a, b, c and d are required to balance the equation ... aC4H8(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-11]
2 12 8 8
2 6 8 8
1 6 4 4
1 3 4 4
Which four quantities a, b, c and d are required to balance the equation ... aC7H8(g) + bO2(g) ==> cCO2(g) + dH2O(l) ?[eq-12]
2 9 4 8
2 10 14 8
1 5 7 4
1 9 7 4
Which three quantities a, b and c are required to balance the equation ... aFe(s) + bO2(g) ==> cFe3O4(s) ? [eq-13]
3 2 1
3 4 1
6 4 2
6 2 2
Which three quantities a, b and c are required to balance the equation ... aLi(s) + bO2(g) ==> cLi2O(s) ? [eq-14]
2 1 2
4 1 2
4 2 1
2 2 1
Which three quantities a, b and c are required to balance the equation ... aAl(s) + bO2(g) ==> cAl2O3(s) ? [eq-15]
1 3 2
4 6 4
4 3 2
2 3 2
Which three quantities a, b and c are required to balance the equation ... aMg(s) + bO2(g) ==> cMgO(s) ? [eq-16]
1 1 2
4 2 2
2 1 1
2 1 2
Which four quantities a, b, c and d are required to balance the equation ... aZn(s) + bHCl(aq) ==> cZnCl2(aq) + dH2(g) ? [eq-17]
1 2 1 1
2 2 2 1
2 1 1 2
1 1 2 2
Which four quantities a, b, c and d are required to balance the equation ... aFe(s) + bH2SO4(aq) ==> cFeSO4(aq) + dH2(g) ? [eq-18]
1 1 1 2
1 1 1 1
2 2 2 1
2 1 2 2
Which four quantities a, b, c and d are required to balance the equation ... aAl(s) + bHCl(aq) ==> cAlCl3(aq) + dH2(g) ? [eq-19]
1 6 3 2
2 3 2 3
2 6 2 3
1 3 3 2
Which four quantities a, b, c and d are required to balance the equation ... aAl(s) + bH2SO4(aq) ==> cAl2(SO4)3(aq) + dH2(g) ? [eq-20]
1 3 1 3
2 3 2 3
1 2 2 2
2 3 1 3
Which four quantities a, b, c and d are required to balance the equation ... aNa(s) + bH2O(l) ==> cNaOH(aq) + dH2(g) ? [eq-21]
2 2 2 1
2 1 2 1
1 2 1 2
1 1 1 2
Which four quantities a, b, c and d are required to balance the equation ... aCa(s) + bH2O(l) ==> cCa(OH)2(aq) + dH2(g) ? [eq-22]
2 2 2 1
1 2 1 1
1 2 1 2
2 1 1 2
Which four quantities a, b, c and d are required to balance the equation ... aFe(s) + bH2O(g) ==> cFe3O4(s) + dH2(g) ? [eq-23]
3 4 1 2
2 3 1 4
3 4 1 4
2 3 2 2
Which four quantities a, b, c and d are required to balance the equation ... aAl(s) + bH2O(g) ==> cAl2O3(s) + dH2(g) ? [eq-24]
3 4 1 6
1 3 1 3
2 4 2 6
2 3 1 3
Which four quantities a, b, c and d are required to balance the equation ... aMg(s) + bCuSO4(aq) ==> cMgSO4(aq) + dCu(s) ? [eq-25]
1 1 1 1
2 1 2 2
1 2 1 2
2 2 2 1
Which four quantities a, b, c and d are required to balance the equation ... aCu(s) + bAgNO3(aq) ==> cCu(NO3)2(aq) + dAg(s) ? [eq-26]
1 1 2 1
1 2 1 2
2 2 1 2
2 2 2 1
Which four quantities a, b, c and d are required to balance the equation ... aZn(s) + bFe2(SO4)3(aq) ==> cZnSO4(aq) + dFe(s) ? [eq-27]
3 2 6 2
3 1 3 3
3 1 3 2
2 2 6 3
Which four quantities a, b, c and d are required to balance the equation ... aAl(s) + bFe2O3(s)) ==> cAl2O3(s) + dFe(s) ? [eq-28]
1 2 2 1
3 1 1 3
2 3 2 3
2 1 1 2
Which four quantities a, b, c and d are required to balance the equation ... aCl2(aq) + bKBr(aq) ==> cKCl(aq) + dBr2(aq) ? [eq-29]
1 2 2 1
2 1 1 1
1 1 2 2
2 2 1 2
Which four quantities a, b, c and d are required to balance the equation ... aBr2(aq) + bNaI(aq) ==> cNaBr(aq) + dI2(aq) ? [eq-30]
1 2 1 2
1 2 2 1
1 1 2 2
2 2 1 2
Which four quantities a, b, c and d are required to balance the equation ... aCl2(aq) + bCaI2(aq) ==> cCaCl2(aq) + dI2(s) ? [eq-31]
2 1 2 1
1 2 2 2
1 1 1 1
2 2 1 2
Which four quantities a, b, c and d are required to balance the equation ... aAlBr3(aq) + bCl2(aq) ==> cAlCl3(aq) + dBr2(s) ? [eq-32]
1 3 2 2
1 3 1 3
3 2 2 2
2 3 2 3
Which five quantities a, b, c, d and e are required to balance the equation ... aCaCO3(s) + bHCl(aq) ==> cCaCl2(aq) + dH2O(l) + eCO2(g) ? [eq-33]
1 2 1 1 1
2 2 1 2 1
1 1 1 1 1
2 1 2 2 2
Which five quantities a, b, c, d and e are required to balance the equation ... aNa2CO3(s) + bHCl(aq) ==> cNaCl(aq) + dH2O(l) + eCO2(g) ? [eq-34]
1 4 4 2 2
1 2 2 1 1
2 2 4 2 2
2 2 2 1 1
Which five quantities a, b, c, d and e are required to balance the equation ... aTl2(CO3)3(s) + bHCl(aq) ==> cTlCl3(aq) + dH2O(l) + eCO2(g) ? [eq-35]
2 6 4 3 6
1 3 2 6 2
1 6 2 3 3
2 3 4 3 6
Which five quantities a, b, c, d and e are required to balance the equation ... aTl2(CO3)3(s) + bH2SO4(aq) ==> cTl2(SO4)3(aq) + dH2O(l) + eCO2(g) ? [eq-36]
2 6 4 3 6
1 3 2 6 6
1 6 2 6 3
1 3 1 3 3
Which three quantities a, b and c are required to balance the equation ... aNa(s) + bCl2(g) ==> cNaCl(s) ? [eq-37]
2 1 2
1 1 1
1 2 1
2 1 1
Which three quantities a, b and c are required to balance the equation ... aAl(s) + bCl2(g) ==> cAlCl3(s) ? [eq-38]
1 3 1
2 3 2
2 2 3
1 3 2
Which three quantities a, b and c are required to balance the equation ... aCa(s) + bCl2(g) ==> cCaCl2(s) ? [eq-39]
1 2 1
1 1 2
1 1 1
2 2 1
Which three quantities a, b and c are required to balance the equation ... aP(s) + bCl2(g) ==> cPCl5(s) ? [eq-40]
1 5 1
1 5 2
2 5 4
2 5 2
Which four quantities a, b, c and d are required to balance the equation ... aFe2O3(s) + bCO(g) ==> cFe(l) + dCO2(g) ? eq-41]
1 3 2 3
1 6 2 6
2 6 4 3
2 3 4 6
Which four quantities a, b, c and d are required to balance the equation ... aCuO(s) + bH2(g) ==> cCu(l) + dH2O(g) ? [eq-42]
2 1 1 1
1 1 1 1
1 2 2 1
2 1 2 1
Which four quantities a, b, c and d are required to balance the equation ... aCuO(s) + bC(s) ==> cCu(s) + dCO2(g) ? [eq-43]
1 2 1 2
2 2 2 1
2 1 2 1
1 1 1 2
Which four quantities a, b, c and d are required to balance the equation ... aFe3O4(s) + bC(s) ==> cFe(l) + dCO2(g) ? [eq-44]
2 1 3 2
1 3 2 1
2 1 2 1
1 2 3 2
Which four quantities a, b, c and d are required to balance the equation ... aNaOH(aq) + bHCl(aq) ==> cNaCl(aq) + dH2O(l) ? [eq-45]
1 1 1 1
1 2 2 1
2 1 1 2
1 2 2 1
Which four quantities a, b, c and d are required to balance the equation ... aCa(OH)2(aq) + bHCl(aq) ==> cCaCl2(aq) + dH2O(l) ? [eq-46]
1 2 1 1
1 2 1 2
2 1 1 2
2 2 2 1
Which four quantities a, b, c and d are required to balance the equation ... aAl(OH)3(s) + bHCl(aq) ==> cAlCl3(aq) + dH2O(l) ? [eq-47]
2 6 2 3
1 6 2 6
1 3 1 3
2 3 2 3
Which four quantities a, b, c and d are required to balance the equation ... aFe2O3(s) + bHCl(aq) ==> cFeCl3(aq) + dH2O(l) ? [eq-48]
2 6 2 3
1 6 2 6
1 3 1 3
1 6 2 3
Which four quantities a, b, c and d are required to balance the equation ... aMgO(s) + bHCl(aq) ==> cMgCl2(aq) + dH2O(l) ? [eq-49]
1 2 1 1
1 1 1 1
2 2 1 2
1 4 1 2
Which four quantities a, b, c and d are required to balance the equation ... aMg(OH)2(s) + bH2SO4(aq) ==> cMgSO4(aq) + dH2O(l) ? [eq-50]
1 2 1 1
1 1 1 2
2 2 1 2
1 4 1 2
Which four quantities a, b, c and d are required to balance the equation ... aLi2O(s) + bHCl(aq) ==> cLiCl(aq) + dH2O(l) ? [eq-51]
1 2 1 1
1 1 1 1
1 2 2 1
1 2 1 2
Which four quantities a, b, c and d are required to balance the equation ... aKOH(aq) + bH2SO4(aq) ==> cK2SO4(aq) + dH2O(l) ? [eq-52]
1 2 1 1
1 1 1 1
2 2 1 2
2 1 1 2
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Which four quantities a, b, c and d are required to balance the equation ...
Which three quantities a, b and c are required to balance the equation ...