S1 Chemical Reactions Mid-Unit Test

Which picture shows the particle diagram of a liquid?

• A

• B

• C

Which picture shows the particle diagram of a gas?

• A

• B

• C

Which picture shows the particle diagram of a solid?

• A

• B

• C

The atoms in which state move the slowest?

• Solid

• Liquid

• Gas

• They all move at the same speed

The atoms in which state move the fastest?

• Solid

• Liquid

• Gas

• They all move at same speed

Which state of matter can be compressed?

• Solid

• Liquid

• Gas

• All 3 can be compressed

Which of the following cannot be compressed?

• Hydrogen gas

• Air

• Zinc metal

• Oxygen

Compression is when a substance is pulled apart?

• True

• False

Expansion is when a substance decreases in size?

• True

• False

Which of the following expands in size when heated?

• Solid

• Liquid

• Gas

• All 3 of the above