Question

Which of the following is an example of double displacement reaction a) Cl2+2KBr---->2KCl+Br2. b)Zn+FeSo4---->ZnSO4+ Fe. c) CaO+H2O---->Ca(OH)2. d) Pb(NO3)2---->PbSO4+2NaNO3

Answer 1

Answer:

option c

Explanation:

because the anionic groups are interchanged

Answer 2

Answer:

option c is double displacement reaction.

CaO + H2O ---->Ca(OH)2.

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