Properties And Uses Of Gases In The Air Flashcards
1
Q
Oxygen
A
This is the gas we need to stay alive. It is also needed for burning.
Burning splint will burn brightly in this gas
2
Q
Nitrogen
A
This gas makes up most of the air. It does not react very much .
3
Q
Argon
A
This gas does not react at all. It is used in lightbulbs so that the metal in the lightbulb can get very hot without burning
4
Q
Helium
A
This gas is very light
Used in balloons and diver s use this gas
Does not react at all
5
Q
Carbon dioxide
A
Gas we breathe out
Used in fire extinguishers
Turns limewater milky
6
Q
Methane
A
Gas in gas taps
Comes from under the North Sea
Burns with blue flame with plenty of air
7
Q
Nitrogen dioxide
A
Brown gas, strong smell
Poisonous
Causes acid rain
8
Q
Hydrogen
A
Very light and reactive
Squeaky pop
