Paints - C1h

HideShow resource information
  • Created by: iram_f
  • Created on: 30-06-14 21:20
What is a colloid?
A colloid is a type of mixture that has particles of one substance dispersed in another.
1 of 5
Why are radioactive phosphorescents dangerous?
Radiation mutates the DNA, thus causing cancer and other illnesses - so radioactive pigments are dangerous.
2 of 5
What does a paint consist of?
A pigment, to provide colour, a binding medium, to allow the paint to glue to surfaces, and a solvent, to thin the paint.
3 of 5
What are the differences between oil paints and emulsion paints?
Oil paints have the pigment dispersed through the oil and solvent; when they dry the solvent evaporates and the oil and pigment are left behind. But when emulsion paints dry the water evaporates, leaving the colloid of pigment and oil behind.
4 of 5
What are thermochromic paints?
Thermochromic paints are sensitive to temperature so they change colour when heated or cooled.
5 of 5

Other cards in this set

Card 2

Front

Why are radioactive phosphorescents dangerous?

Back

Radiation mutates the DNA, thus causing cancer and other illnesses - so radioactive pigments are dangerous.

Card 3

Front

What does a paint consist of?

Back

Preview of the front of card 3

Card 4

Front

What are the differences between oil paints and emulsion paints?

Back

Preview of the front of card 4

Card 5

Front

What are thermochromic paints?

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all Chemistry resources »