Pure substances and Formulations 4.8.1.1-2 Flashcards
1
Q
What is a pure substances?
A
it can be a single element or a single compound
2
Q
How can you tell if a substance is pure?
A
melts and boils at a specific temperature
3
Q
How can you tell if a substance is impure?
A
melts and boils over a range of temperatures.
4
Q
What is a formulation?
A
a complex mixture that had been designed as a useful product.
5
Q
what are some examples of formulations?
A
- fuel
- cleaning products
- paint
- medicines
- alloys
- fertilisers
- food
