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10. a) Double Displacement Reaction.
b) Double Displacement Reaction.
c) Decomposition Reaction.
12. a) HCL
b) MnO2
c) HCL and MnO2.
13. 1) CaCO3 (s) in the presence of heat gives CaO (s) + CO2 (g)
2) KCl gives K + Cl2
3) AgBr in presence of sunlight gives Ag + Br2.
b) Double Displacement Reaction.
c) Decomposition Reaction.
12. a) HCL
b) MnO2
c) HCL and MnO2.
13. 1) CaCO3 (s) in the presence of heat gives CaO (s) + CO2 (g)
2) KCl gives K + Cl2
3) AgBr in presence of sunlight gives Ag + Br2.
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