Give one example each of displacement decompo and combination reaction with explanation
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A reaction in which two or more substances combine together to form a single substance is known as Combination reaction.
Combination: NH3(g) + HCl(g) --------->NH4Cl(s)
Decomposition reaction is breaking up of a compound either into elements or simpler compounds, such that these products do not recombine to form the original compound.
Decomposition: 2HgO(s) -------->2Hg(l) +O2(g)
The chemical change in which more active element displaces a less active element from its salt solution.
Displacement: CuSO4 + Zn--–––>ZnSO4+Cu
Combination: NH3(g) + HCl(g) --------->NH4Cl(s)
Decomposition reaction is breaking up of a compound either into elements or simpler compounds, such that these products do not recombine to form the original compound.
Decomposition: 2HgO(s) -------->2Hg(l) +O2(g)
The chemical change in which more active element displaces a less active element from its salt solution.
Displacement: CuSO4 + Zn--–––>ZnSO4+Cu
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