Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
What are the 3 main gases in the air and their proportions?
|
Nitrogen 78%
Oxygen 21% Argon 1% |
|
|
When fuels burn, which element in the air do they react with?
|
Oxygen
|
|
|
True or False - Atoms can disappear completely during reactions?
|
False
|
|
|
What is the main problem with carbon monoxide?
|
Its toxic
|
|
|
What is the formula for sulphur dioxide?
|
SO2
|
|
|
What is the formula for nitrogen monoxide?
|
NO
|
|
|
What is the formula for carbon monoxide?
|
CO
|
|
|
What do particulates cause?
|
They make make surfaces dirty and can get into your lungs.
|
|
|
What does sulphur dioxide cause?
|
Acid rain
|
|
|
What does nitrogen monoxide cause?
|
Breathing problems, especially for asthmatics
|
|
|
What is a real difference?
|
It is when the ranges of 2 sets of data do not overlap
|
|
|
What is a primary pollutant?
|
A pollutant made directly by human activities e.g sulfur dioxide
|
|
|
What is a secondary pollutant?
|
A pollutant that has changed in the atmosphere e.g acid rain
|
|
|
What are reactants/products?
|
Reactants go into the start of a reaction. Products come out at the end.
|
|
|
What happens to carbon dioxide in the air?
|
It dissolves in water and plants use it during photosynthesis.
|
|
|
What is a correlation?
|
Its when 2 sets of data change at the same.
|
|
|
What is a cause?
|
When there is evidence that proves one factor caused the other.
|
|
|
What does a catalytic convertor do?
|
They convert nitrogen monoxide to nitrogen and carbon monoxide to carbon dioxide
|
