Question

Write word equations for the following chemical equations. [5]

(i) ZnCO3  ZnO + CO2 ↑

(ii) FeSO4 + 2NaOH  Na2SO4 + Fe(OH)2 ↓

(iii) NaCl + H2SO4  NaHSO4 + HCl (g)

(conc.)

(iv) N2 (g) + 3H2 (g) 2NH3 (g) + ∆

(v) Na2SO3 + 2HCl  2NaCl + H2O + SO2 ↑​

Answer 1

1. Kno3+zn(ncs) 2 co2 + so2+n2+zno+k2co3

Answer:

(I)

Answer 2

Answer:

I) zinc carbonate = zinc oxide + carbon dioxide

ii) iron Sulphate + 2sodium hydroxide = sodium sulphate + iron hydroxide

iii) sodium chloride + hydrogen sulphate = sodium hydrogen sulphate + hydrogen chloride

iv) nitrogen + hydrogen = 2ammonia + heat

v) sodium sulphate +2hydrogen chloride = sodium chloride + water + sulphur dioxide

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