Purity and Formulations Flashcards
1
Q
How do you check how pure a substance is?
A
Measure the melting point of the substance and compare it with the melting point of the pure substance
2
Q
What will impurities in a sample do?
A
Lower the melting point
3
Q
What is formulation?
A
A mixture that has been designed to produce a useful product. Made by mixing the components measured quantities to ensure that the product has the required properties
4
Q
Give examples of formulations
A
Fuels, cleaning agents, paints, medicines, alloys, fertilisers and foods