Gas Tests

which gas is this testing for?

• hydrogen

• chlorine

• oxygen

• carbon dioxide

This is testing for....

• hydrogen

• oxygen

• chlorine

• carbon dioxide

What liquid tests for CO₂?

• water

• limewater

• chlorine

• acid

To test for hydrogen you....

• use a lit splint

• use a glowing splint

• add anhydrous copper sulphate

• bubble the gas through limewater

When a glowing splint is put into oxygen we will observe....

• the splint relight

• the splint go out

• a squeaky pop

• no change

What is the test for HYDROGEN gas?

• Put near a flame - makes a squeaky pop!

• Put in a glowing splint - the splint relights!

• Bubble through Lime Water - goes from clear to cloudy!

• Put in a burning splint - the splint goes out!

• Add to Anhydrous Copper Sulfate - goes from white to blue!

What is the percentage of NITROGEN in the Air?

• 0.03%

• 1%

• 21%

• 78%

The air we breathe in contains MORE OXYGEN than the air we breathe out?

• True

• False

The air we breathe out generally contains MORE WATER VAPOUR than the air we breathe in?

• True

• False

The air we breathe out is generally COLDER than the air we breathe in?

• True

• False