Purity and Formulations

Question 1

What is a pure substance?

Answer 1

A single element or compound that has not been mixed with any other substance

Question 2

How can you use the boiling point of a substance to tell if it is impure or not?

Answer 2

If the susbtance has a specific and fixed boiling point then it is pure

If the substance has a range of different boling points then it is impure

Question 3

What is a formulation?

Answer 3

A mixture that has been designed as a useful product

Question 4

Give four uses of formulations

Answer 4

1. food
2. Fuel
   3.Cleaning product
   4.Medicine