Lead (A Solid) May Be Changed into Mercury (A Liquid)

question 6

Multiple Choice

Lead (a solid) may be changed into mercury (a liquid) by

• A) dissolving the lead in acid so that it loses enough mass to have the same mass as mercury.
• B) grinding the lead to dust and then melting the dust.
• C) heating the lead to extremely high temperatures.
• D) none of these.

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