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IMSO 2022 Science International — Theory I Question 21

IMSO Science · IMSO 2022 Science International — Theory I

Question 21

The diagram shows equal-sized solid cylinders of copper, iron and an alloy of 50% copper and 50% iron. Copper has density 8.96 g/cm³ and iron 7.87 g/cm³. Which statement is correct?

Question illustration
  1. Alloy has copper’s volume but twice its density
  2. Alloy density is greater than iron’s and lower than copper’s
  3. Iron has greater mass than alloy
  4. Alloy density and mass are twice copper’s