Matter3

Do solutions have to be liquids?

• Yes

• No

What is this process called?

• Distillation

• Sublimation

• Filtration

• Condensation

Are ALL the following chemical formulas compounds?

MoS₂ KOH O₂

• Yes

• No

The following chemical formulas contain one molecule. Which one is it?

F₂ H₂O H₂S UF₆

• H₂O

• UF₆

• H₂S

• F₂

Which mixture separation method utilizes Boiling Point?

• Distillation

• Filtration

• Chromatography

• Vaporization

What state of matter has a defined volume, but no defined shape.

• Solid

• Liquid

• Gas

• Plasma

All of the following are physical properties except...

• boiling point
• density
• melting point
• flammability

This is a molecular picture of three states of water. Which one is a liquid?

From left to right 1:2:3

• 1

• 2

• 3

The molecular structure of ice compared to liquid water is shown. Which one is ice and why does ice float?

Left is A, Right is B

• A is ice and it floats because the molecules are closer together.

• A is ice and it floats because the molecules are lighter.

• B is ice and it floats because the molecules are dancing.

• B is ice and it floats because the molecules are ordered and leave large cavities of empty space.

Which of the following is a physical change?

1. Burning of wood 2. Melting of ice 3. Rusting of iron 4. Cooking of food

• Burning of wood

• Melting of ice

• Rusting of iron

• Cooking of food