priperties of gases

The air in the atmosphere, water in the ocean, and the DNA in our bodies are made up of molecules.

• partly true

• partly false

• true

• false

Answer explanation

true

All matter is made up of tiny particles called?

• molecules

• dna

• solid

• liquid

Why can we tell the kind of food being cooked in the kitchen by its smell that spreads throughout the house?

• Gases are fragrant.

• Gas are held by strong attractive forces and have definite positions.

• Gases molecules are compressed.

• The spreading of scent or aroma proves that gases have large spaces between them and are always in constant motion.

The process by which gas particles move freely to fill up an available space is called?

• separation

• diffusion

• bromination

• transformation

all colilisions of gas molecules are perfectly elastic.

• false

• true

• partly false

• partly true

What theory explains the different properties of gases?

• Gas law

• Kinetic molecular theory

• Boyle's law