Purity, Formulations & Chromatography (AQA GCSE Chemistry Combined Science): Flashcards
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Practise the cards
12 cards from this deck
Define formulation
Define formulation
A carefully designed mixture made for a specific purpose
How are chemicals mixed in formulations?
How are chemicals mixed in formulations?
In exact amounts
Risk of wrong amounts in formulations
Risk of wrong amounts in formulations
Product may not work or become unsafe
Example of a formulation
Example of a formulation
Paint
Role of pigment in paint
Role of pigment in paint
Gives paint its colour
Type of compounds most pigments are
Type of compounds most pigments are
Metal oxides
Pigment used in white paints
Pigment used in white paints
Titanium oxide
Role of solvent in paint
Role of solvent in paint
Dissolves ingredients & controls viscosity
What happens to solvent after paint is applied?
What happens to solvent after paint is applied?
Evaporates
Role of binder in paint
Role of binder in paint
Makes pigment stick to surface
Role of additives in paint
Role of additives in paint
Give special features (glossy/matte/glow)
Give 3 other examples of formulations
Give 3 other examples of formulations
Medicines, drinks, metal alloys