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Gases in the air
Gases
Question | Answer |
---|---|
What gas makes up approximately 20% of the air | oxygen |
What gas makes up approximately 80% of the air | Nitrogen |
Which of these 2 gases is the most abundant Carbon dioxide or Argon ? | Argon |
What gas is required for burning to take place | Oxygen |
True or false Carbon dioxide is lighter than air | False |
True or false Oxygen burns with a pop | False |
True or false Carbon dioxide turns limewater cloudy | True |
True or false Hydrogen is an explosive gas | True |
True or false Carbon dioxide turns universal indicator orange | True |
What gas can be used to put out fires | Carbon dioxide |
What 3 things are needed for a fire to start ? | Air Fuel Heat |
Name a gas which is causing the planet to warm up | Carbon dioxide Methane |
Name a gas that is responsible for acid rain | Sulphur dioxide |
When magnesium burns in oxygen does it get heavier or lighter ? | Heavier |
When wood burns in oxygen does the wood get heavier or lighter? | lighter |
What name is given to the chemical formed when magnesium burns in oxygen ? | Magnesium oxide |
If lithium was to burn in oxygen what would be the name of the product ? | lithium oxide |