Purity, Formulations & Chromatography (AQA GCSE Chemistry): Flashcards
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Practise the cards
15 cards from this deck
What is a formulation?
What is a formulation?
A carefully designed mixture for a specific purpose
How are chemicals mixed in formulations?
How are chemicals mixed in formulations?
In exact amounts
What happens if wrong amounts are used in formulations?
What happens if wrong amounts are used in formulations?
Product may not work or become unsafe
What is an example of a formulation?
What is an example of a formulation?
Paint (has pigment, solvent, binder, additives)
What is the role of pigment in paint?
What is the role of pigment in paint?
Gives paint its colour
What are most pigments made of?
What are most pigments made of?
Metal oxides
What pigment is used in white paints?
What pigment is used in white paints?
Titanium oxide
What is the role of solvent in paint?
What is the role of solvent in paint?
Dissolves ingredients and controls thickness/viscosity
What happens to solvent when paint is applied?
What happens to solvent when paint is applied?
Evaporates
What is the role of binder in paint?
What is the role of binder in paint?
Makes pigment stick to the surface
What is the role of additives in paint?
What is the role of additives in paint?
Give special features like glossy/matte finish or glow
Why are medicines carefully formulated?
Why are medicines carefully formulated?
To ensure they're safe and effective
What is the benefit of metal alloys as formulations?
What is the benefit of metal alloys as formulations?
Properties stronger/more durable than individual metals
What are drink formulations designed for?
What are drink formulations designed for?
Right taste, texture, and shelf life
What are cleaning products formulated to do?
What are cleaning products formulated to do?
Clean effectively without damaging surfaces