Question

Balance the following chemical equation. [1 x 4 = 4]
i) S + H2SO4 → SO2 + H2O
ii) P + HNO3 → NO2 +H2O + H3PO4
iii) Zn + KOH → K2ZnO2 + H2
iv) Ca + N2 → Ca3N2
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Answer 1

Answer:

5. Balance the following equations:

(a) Fe+H2O

Fe3O4+H2

(b) Ca+N2

CA3N2

(c) Zn + KOH

K2ZnO2 +H2

(d) Fe2O3 +CO

Fe + CO2

(e) PbO + NH3

Pb + H2O + N2

(f) Pb3O4

PbO + 02

(g) PbS+O

PbO+SO

(h) S+H2SO4

SO2 +H2O

(i) S + HNO3

H2SO4+NO2+NO2+H2O

(j) MnO+ HCI

MnCl2 + H2O + Cl2

(k) C + H2SO4

CO2 +H20 + SO2

(1) KOH + Cl2

KCI + KCIO+H2O

(m) NO+H2O

HNO2 + HNO3

(n) Pb2O4 + HCI

PbCl2 + H2O + CI,

(0) H20 + C12

HCI + O2

(p) NaHCO

Na2Co2 + H2O + CO2