To obtain pure copper, the separation technique employed is:
Separation techniques are the techniques employed in the separation of the constituents of a mixture.
The physical properties of the constituent of the mixture are employed in the separation of the constituents of the mixture.
To obtain pure copper from a mixture of potassium nitrate, powdered magnesium, and powdered copper, the following steps are used:
In conclusion, separation techniques are used to separate mixtures.
Learn more about separation techniques at: https://brainly.com/question/14482995
#SPJ1