Given the Following List of Densities,which Materials Would Float in a Molten

question 42

Multiple Choice

Given the following list of densities,which materials would float in a molten vat of lead provided that they do not themselves melt? Densities (g/mL) : lead = 11.4,glass = 2.6,gold = 19.3,charcoal = 0.57,platinum = 21.4.

• A)gold and platinum
• B)glass and charcoal
• C)gold,platinum,glass and coal
• D)gold and charcoal
• E)none of the above

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