A) They are homogeneous mixtures and be classified as metallic alloys.
B) The materials are heterogeneous mixtures and can be classified by their components
C) The samples have variable compositions and are classified as metallic solutions.
D) The samples are heterogeneous mixtures that can be separated using magnetic properties.
Correct Answer: A
Solution :
As they have uniform composition throughout they are considered as homogeneous mixture. Both samples are mixture of two metals (gold and palladium) thus are alloys.
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