Simple questions ✨

Gas is a form of matter that has..

• Fixed shape and volume

• No fixed shape and fixed volume

• No fixed shape and no fixed volume

• Fixed shape and no fixed volume

In a gas state, particles are tightly packed together

• True

• False

If a gas is compressed, its temperature will..

• Decrease

• Increase

• Stay the same

• None of above

If a gas is compressed, its volume will..

• Decrease

• Increase

• Stay the same

• All of above

Light gases have a high mass

• True

• False

Heavy gases have a less mass

• True

• False

Toxicity is one of the properties of a gas

• True

• False

It's found in most Arabian crude oil..

• H2O

• H2S

• CO2

• H2So4

All hydrocarbon gases are flammable

• True

• False

"Enough flammable gas" means

• The air/ gas mixture has reached its LEL

• The air/ gas mixture hasn’t reached its LEL

• The air/ gas mixture has equal its LEL

• None of above