Which of the following statement regarding the slag obtained during the a metal like copper or iron?

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The slag is heavier and has lower melting point than the metal

The slag is heavier and has higher melting point than the metal

The slag is lighter and has higher melting point than the metal

The slag is lighter and has lower melting point than the metal

answer is A.

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Detailed Solution

The slag is lighter and has a lower melting point than the metal.

When metal is extracted from its ore, a glassy byproduct called slag is produced. Unwanted oxide and silicon dioxide are combined it melts at a lower temperature, it is not miscible with molten metal, and is lighter than molten metal. Hence, option A is correct.

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