Mgcl2 + nh4no3 --> mg no3 + nh4cl is this a double replacement reaction?

The answer to your question is Yes, it is a double replacement reaction

Explanation:

General equation of a double replacement reaction

                         AB  +  CD   ⇒   AD  +   BC

In a double replacement reaction, the cation of a compound is interchanged with the cation and another compound and also the anions are interchanged. The reaction given has the characteristics of a double replacement reaction.

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