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kicyunya [14]
3 years ago
8

Which of the following demonstrates a double-replacement reaction?

Chemistry
2 answers:
Korolek [52]3 years ago
8 0

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

For the given options:

<u>Option A:</u>  Na_3PO_4+MnCl_2\rightarrow Mn_3(PO_4)_2+NaCl

This reaction is considered as a double displacement reaction because here exchange of ions takes place.

<u>Option B:</u>  CaCO_3\rightarrow CaO+CO_2

This reaction is considered as a decomposition reaction because here one substance is breaking into two smaller substances.

<u>Option C:</u>  2Mg+O_2\rightarrow 2MgO

This reaction is considered as a synthesis reaction because here two smaller substances are combining in their elemental state to form a single large substance.

<u>Option D:</u>  2AgNO_3+Cu\rightarrow 2Ag+Cu(NO_3)_2

This reaction is considered as a single displacement reaction because here more reactive element displaces a less reactive element from its chemical reaction.

Hence, the correct answer is Option A.

Volgvan3 years ago
6 0
A: Na3PO4 + MnCl2 > Mn3(PO4)2 + NaCl
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