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

• homogeneous mixture

• heterogeneous mixture

Using the data table in the image, 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

• compounds

• elements

• mixtures

The law of conservation of mass states that matter ______ be created or destroyed, even after a chemical change.

• can

• cannot

Mixtures can be separated ________ while compounds can only be separated __________.

• physically; chemically

• chemically; physically

________ changes result in a new substance being formed

• chemical

• physical

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

• chemical

• physical