Matter

What is the temperature called when liquids become a gas?

• Boiling point
• hot

Is rust an example of physical or chemical change?

• Physical
• Neither
• Chemical

What is matter?

• nothing whats matter with you
• Anything that takes up space and has mass
• a small bottle

The measure of how well a solute dissolves in a solvent is?

• Solution
• Solubilty
• Rust

What is the name of the temperature at which a solid becomes a liquid?

• Melting point
• water
• liquid

What is the phase change from liquid to gas called?

• Crystallization
• Vaporiaztion

Two or more substances mixed together is called?

• density
• solute
• mixture

What is the measure of compactness of a material?

• density
• solute
• mixture

What type of change is crystallization?

• Physical
• Neither
• Chemical

Answer the following question using the formula for density (D= M÷V). What is the density of Carbon dioxide gas if 0.196 g occupies a volume of 100 mL?

• 19.6 g/ml
• 0.51 g/ml
• 0.002 g/ml