Compressibility in Gases

Multiple Choice

What happens to gas particles when they are compressed?

• They expand

• They move randomly

• They are forced into a smaller space

• They disappear

Multiple Choice

In compressed gases, particles exert force on ______.

• Each other

• The container walls

• The ground

• The air

Multiple Choice

Which of the following statements is true about air pressure in compressed gases?

• Pressure is higher at the top

• Pressure is higher at the bottom

• Pressure is equal throughout the container

• Pressure is only at the center.

Multiple Choice

What material are compressed gas canisters made from to withstand high pressure?

• Plastic

• Aluminum

• Thick Steel

• Glass

Multiple Choice

Compressed gas canisters are made from thick steel to withstand ______.

• Low temperature

• High pressure

• Corrosion

• Light impact

Multiple Choice

Why is it important for containers to be strong?

• To look aesthetically pleasing

• To contain force from moving gas particles

• To reduce weight

• To save cost

Multiple Choice

What happens to gas particles when they heat up?

• A) They move slower, decreasing pressure

• B) They move faster, increasing pressure

• C) They remain stationary

• D) They disappear.

Multiple Choice

Fill in the blank: Heat can raise pressure to _______ levels.

• safe

• dangerous

• moderate

• low

Multiple Choice

What is a safety tip for handling compressed gases?

• Store in a warm place

• Keep away from heat and sunlight

• Shake before use

• Use near open flames.

Multiple Choice

What is the risk associated with leaked flammable gas and ignition?

• No risk

• Explosion risk

• Water contamination

• Air pollution

Multiple Choice

If a flame is introduced to a flammable gas leak, what could happen?

• The gas will cool down

• The gas will ignite and cause an explosion

• The gas will evaporate

• The gas will solidify

Multiple Choice

Avoid open flames around ________ gas containers.

• compressed

• liquid

• solid

• frozen

Multiple Choice

Which of the following is contained in soda cans?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium

Multiple Choice

Whipped cream, hairspray, and air compressors are used daily but require ______ handling.

• Careful

• Reckless

• Casual

• Indifferent

Multiple Choice

What does a spray can contain?

• Only liquid

• Only gas

• Both liquid and pressurized gas

• Neither liquid nor gas

Multiple Choice

The pressure in spray cans is usually __ times the atmospheric pressure.

• 1-2

• 2-8

• 8-10

• 10-12

Multiple Choice

What happens when the button on a spray can is pressed?

• Gas is released into the lower pressure outside

• Liquid is released into the higher pressure outside

• Nothing happens

• The can explodes.

Multiple Choice

What can mishandling of compressed gases lead to?

• Cooling

• Explosions

• Melting

• Freezing

Multiple Choice

Compressed gases exert force on ______ walls.

• Container

• Building

• Vehicle

• Human

Multiple Choice

Which of the following is NOT an everyday use of compressed gases?

• Soda cans

• Hairsprays

• Spray paint

• Books

Multiple Choice

Why are soda cans typically made from aluminum?

• It's lightweight

• It's expensive

• It's rare

• It's heavy.

Multiple Choice

Which of the following is a reason for using aluminum in soda cans?

• High cost

• Corrosion resistance

• Heavy weight

• Low availability

Multiple Choice

Soda cans are made of ________ because it is lightweight and resists corrosion.

• Steel

• Aluminum

• Plastic

• Glass

Multiple Choice

Identify an item that uses compressed gas.

• Bicycle

• Balloon

• Spray paint can

• Wooden chair

Multiple Choice

Compressed gas is used in ________ to propel paint.

• A) A spray paint can

• B) A bicycle

• C) A wooden chair

• D) A balloon