gases all around

characteristics of solids.

• it has definite volume but no definite shape

• it has definite shape and definite volume

• it can be compressed and it can flow

• none of above

does gas occupy space?

• True

• False

A gas has ____ definite shape and _______ definite volume

• no , yes

• yes, yes

• no, no

• yes, no

which gas supports burning

• argon

• ozone

• oxygen

• helium

which gas is necessary for photosynthesis of plants

• neon

• Sulphur dioxide

• carbon monoxide

• carbon dioxide

air ships contain _____________.

which are the noble gases

• argon

• Sulphur

• helium

• oxygen

• neon

what are the uses of argon gas

• light bulbs

• ammonia

• balloons

• lasers

• lightings

which gas is used to disinfect pools

• chlorine

• bromine

• hydrogen sulfide

• nitrogen

__________ needs nitrogen

• plants

• animals

• people

• toys