Pure Substance And Formulations

Question 1

What does pure mean

Answer 1

A single element and compound, not mixed with any other substance

Question 2

Characteristic of pure substance and impure substance

Answer 2

Pure have a fixed boiling and melting point
Impure have a range of boiling and melting usually low melting and high boiling point

Question 3

What is a formulation

Answer 3

A formulation is a mixture designed to produce a useful product. Formulation are made by mixing components in careful measure so the product has the required properties.

Question 4

Give examples of formulation

Answer 4

Medicine, fertilizer, fuel, cleaning agent, paint, alloys and food

Question 5

Name a formulation and Component in formulation and what they do.

Answer 5

Calpol
Paracetamol - painkillers
Sugar - taste improves
Food coloring - improve appearance
Glycerol - improve texture
Water - to dissolve everything