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kompoz [17]
3 years ago
14

What type of reaction is shown below? Ca + 2H2O - Ca(OH)2 + H2

Chemistry
1 answer:
krek1111 [17]3 years ago
5 0
A + BC  ---> AB + C
So here one reactant (A) is accepting a group which is being given by another compound (BC) however the A is not giving any group / element or ion
So this single displacement
Similarly in the given reaction
the anion OH- is only being replaced
The element Ca accepts OH- and H2O loses the same group to form new element H2
So the correct answer is
Single replacement also known as single displacement.
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