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Gases
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Explain why gas particles move very fast
They have loads of space between them and no bonds
Which can be easily squashed?
gas
In a liquid the particles can vibrate only or move about freely
move about freely
True or False there are no forces between particles in a gas
True
Does having strong bonds make things harder to break or easier?
Harder
Between a solid, liquid and gas which has the strongest bonds?
Solid
What gas makes up the most of our air?
Nitrogen?
Why do balloons filled with carbon dioxide fall to the ground?
Carbon Dioxide is a heavy gas
Carbon Dioxide turns limewater....
milky (cloudy)
What does Carbon Dioxide do to fizzy drinks?
It makes the bubbles
What gas is partially responsible for rusting?
Oxygen
What is the fancy word for burning?
Combustion
Why do we have to be careful with Hydrogen?
It is explosive
what gas is very light?
Hydrogen
What gas is used in crisp bags to keep them fresh?
Nitrogen
What gas do we breathe out?
Carbon Dioxide
What gas do we breathe in?
Oxygen
How many gases is our air made up of?
4