Question

Classify each of the following reactions as combination, decomposition, displacement or double

displacement reaction.

(i) H2 + Cl2⎯→ 2HCl

(ii) 2KClO3⎯⎯Heat → 2KCl + 3O2

(iii) Zn + CuSO4⎯→ ZnSO4 + Cu

Blue Colour less

(iv) 2Pb(NO3)2⎯Heat→ 2PbO(s) + 4NO2(g) + O2(g)

(v) NaOH + HCl ⎯→ NaCl + H2O

(vi) BaCl2 + H2SO4⎯→ BaSO4 + 2HCl

(vii) CaO + CO2⎯→ CaCO3

(viii) CaCO3⎯→ CaO + CO2

(ix) 2KI + Cl2⎯→ 2KCl + I2

(x) 2H2O ⎯Electricty→ 2H2 + O2​

Answer 1

Answer:

Explanation:2h2 + cl2 = 2hcl right???? i am not sure