Purity, Formulations & Chromatography (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is a formulation?
What is a formulation?
A carefully designed mixture
Why are chemicals in formulations mixed in exact amounts?
Why are chemicals in formulations mixed in exact amounts?
To ensure right properties
What can happen if an ingredient is added in the wrong amount?
What can happen if an ingredient is added in the wrong amount?
Product may not work or be unsafe
What is the role of pigment in paint?
What is the role of pigment in paint?
Gives paint its colour
What type of compounds are most pigments?
What type of compounds are most pigments?
Metal oxides
Which pigment is used in white paints?
Which pigment is used in white paints?
Titanium oxide
What does the solvent do in paint?
What does the solvent do in paint?
Dissolves ingredients & controls thickness
What happens to the solvent when paint is applied?
What happens to the solvent when paint is applied?
It evaporates
What is the role of the binder in paint?
What is the role of the binder in paint?
Makes pigment stick to surface
What do additives do in paint?
What do additives do in paint?
Give paint special features
Why are metal alloys considered formulations?
Why are metal alloys considered formulations?
They're mixtures with better properties
Why are medicines formulated carefully?
Why are medicines formulated carefully?
To ensure they're safe and effective