Matter Quiz

An unknown solid is placed on a scale and has a mass of 2.5 grams. The solid then displaces 35 mL of water in a graduated cylinder. Find the unknown solid’s density.

• 0.071 g/mL

• 14 g/mL

• 37.5 g/mL

• 90 g/mL

Jenny blends together water, lemon juice and sugar in a pitcher. She has made a

• compound

• pure substance

• homogenous mixture

• heterogeneous mixture

Using the data table, determine the identity of a cube of metal that measures 1.2 cm on each side and has a mass of 15.4 grams.

• Gold

• Silver

• Nickel

• Zinc

CO₂, NaCl, and HCl may all be classified as

• elements

• compounds

• homogeneous mixtures

• heterogeneous mixtures

Which of the following is not an example of a physical change?

• Cutting a piece of string in half.

• Crumpling a piece of paper into a ball

• Freezing water into an ice cube.

• Letting the food in your lunch box rot in your locker.

Milk, paint, and mayonnaise are all examples of:

• mixtures
• compounds

• elements

_______ changes result in a new substance being formed.

• chemical
• physical

10. Melting point, viscosity, and density are all examples of _______ properties.

• physical
• chemical

11. What is the mass of a cube measuring 3 cm on each side that has a density of 8.1 g/cm³?

• 218.7 g

• 3.3 g

• 2.7 g

• 24.3 g

12. The marble has a mass of 3.75 g. When placed in a graduated cylinder, as pictured, the water level changes from 25 mL to 28 mL. What is the density of the marble?

• 1.25 g/mL

• 1.50 g/mL

• 1.75 g/mL

• 2.00 g/mL