__Pick out the wrong statement about powder metallurgy technique.__

• 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