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According to Hume-Rothery rules extensive solid solubility between elements X and...

This question belongs to Metallurgical Engineering Physical Metallurgy
Physical Metallurgy
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According to Hume-Rothery rules, extensive solid solubility between elements X and Y is promoted by the two factors in the following list.
P. Same crystal structure of Z and Y.
Q. Large atomic size difference (> 20%) between X and Y.
R. Same valance of X and Y.
S. Large difference in melting points of X and Y.

Answer & Solution
Correct Answer: Option D
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