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

Question

Quizplus · Accepted Answer

Materials with densities lower than that of lead (11.4 g/mL) will float. Glass (2.6 g/mL) and charcoal (0.57 g/mL) have lower densities than lead, so they would float.

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