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Chemistry
Which of the following statements is correct regarding the slag obtained during the extraction of a metal like copper or iron?
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Q. Which of the following statements is correct regarding the slag obtained during the extraction of a metal like copper or iron?
General Principles and Processes of Isolation of Elements
A
The slag is lighter and has higher melting point than the metal
0%
B
The slag is lighter and has lower melting point than the metal
62%
C
The slag is heavier and has higher melting point than the metal
12%
D
The slag is heavier and has lower melting point than the metal
25%
Solution:
Slag is lighter and has lower m.pt. than the metal, hence it floats and can be skimmed off.