Pick out the wrong statement about powder metallurgy technique.
Options:
A . Powder metallurgy techniques are applied at room temperature
B . Final product in powder metallurgy is not necessarily metallic powder
C . The final product in powder metallurgy is made from metallic powder
D . Silver and nickel when melted together do not mix to form an alloy ; however alloy of these constituents can be made by powder metallurgy technique
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