Question

Which of the following statements is correct regarding the slag obtained during the extraction of iron?

• A. The slag is lighter and has lower melting point than the metal.
• B. The slag is lighter and has higher melting point than the metal.
• C. The slag is heavier and has lower melting point than metal.
• D. The slag is heavier and has higher melting point than the metal.

Answer 1

Answer: (A)

Slag formed during the extraction of iron is always lighter than the molten metal. Its melting point should also be less than the molten metal.