Physical science final exam Spr 2024

What category does ketchup belong to?

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

Which of the following is an example of a compound?

• Aluminum (Al)

• Sugar (C₆H₁₂O₆)

• Sodium (Na)

• Bronze

What is the classification of CO2 (carbon dioxide)?

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

What category does brass belong to?

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

Which of the following is an element?

• Aluminum (Al)

• Sodium hydroxide (NaOH)

• potassium chloride (KCl)

• potassium cyanide (KCN)

When milk is left sitting out too long and sours, what type of change is occurring?

• Chemical

• Physical

What type of change is it when a pellet of cesium metal is placed into water, causing an explosion?

• Chemical

• Physical

The melting point of iron is 1,538°C. What type of property is this?

• Chemical

• Physical

The ability to be rolled into sheets is called

• ductility

• solubility

• viscosity

• malleability

Copper is used to make wires for wiring buildings. What is the ability to be made into wires?

• malleability

• ductility

• hardness