Organic Chemistry Flashcards
1
Q
What is the appropriate proportion of nitrogen in the current atmosphere?
A
80 %
2
Q
What is the appropriate proportion of oxygen in the current atmosphere?
A
20 %
3
Q
Which gases were present in Earth’s early atmosphere?
A
Carbon dioxide, water vapour and nitrogen
4
Q
By what process do algae and plants produce oxygen?
A
Photosynthesis
5
Q
What was formed when plants that grew millions of years ago, died and were trapped and compressed under rocks?
A
Coal
6
Q
What was formed when plankton that lived in the ocean millions of years ago, died and were trapped and compressed under rocks?
A
Crude Oil
7
Q
What is produced from the complete combustion of a hydrocarbon fuel?
A
carbon dioxide + water
