Reactions 8.5 Flashcards
(7 cards)
1
Q
What is combustion?
A
Chemical reaction, where a substance gives out light and heat. It is also burning.
2
Q
Decomposition is…..
A
A chemical reaction where more than one substance breaks down to form a product.
3
Q
What is meant by the term fossils fuel?
A
A fossil fuels are fuels such as oil, natural gas, coal and petrol
4
Q
Fossil fuels are non-……….
A
Renewable
5
Q
Non -renewable means….
A
They cannot be replaced and one they will run out.
6
Q
What is a fuel?
A
A fuel is a substance that stores energy in a chemical store.
7
Q
Solar energy, tidal energy, wind energy
A
These are all examples of renewable energy resources as they can be made over a short timescale