Metallurgical process — task. Science State Board, Class 10.

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Choose the best answer:

1. Metallurgy based on __________.

all the above
physical and chemical properties and structural arrangement
physical and chemical properties and atomic structural arrangement
physical and chemical properties and element structural arrangement

2. Concentration or separation of the ore is the process of __________.

non-metal purification process
all the above
removing impurities from the ore
converting ore into metal

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