Formulations (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Practise the cards
13 cards from this deck
What is a formulation?
What is a 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
What happens if wrong amount added to formulation?
What happens if wrong amount added to formulation?
Product may not work as intended 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
What are most pigments?
What are most pigments?
Metal oxides
Example of pigment in white paint
Example of pigment in white paint
Titanium oxide
Role of solvent in paint
Role of solvent in paint
Dissolves ingredients & controls thickness (viscosity)
What happens to solvent when paint is applied?
What happens to solvent when paint is applied?
It evaporates
Role of binder in paint
Role of binder in paint
Makes pigment stick to the surface
Role of additives in paint
Role of additives in paint
Give special features (glossy, matte, glow in dark)
Why are medicines formulated carefully?
Why are medicines formulated carefully?
To ensure they're safe and effective
How do metal alloys compare to individual metals?
How do metal alloys compare to individual metals?
Stronger or more durable