lesson 4 E50

Question 1

Mixture

Answer 1

a substance made by mixing other substances together

Question 2

solution

Answer 2

a homogeneous mixture composed of two or more substances

Question 3

colloid

Answer 3

a type of homogeneous mixture in which the dispersed particles do not settle out

Question 4

suspension

Answer 4

a mixture in which particles are dispersed throughout the bulk of a fluid

Question 5

emulsion

Answer 5

a fine dispersion of tiny droplets of one liquid in another in which it is not soluble or miscible

Question 6

aerosol

Answer 6

a substance enclosed under pressure and able to be released as a fine spray.

Question 7

gel

Answer 7

a semi firm colloidal dispersion of a solid with a liquid or gas, as jelly, glue, etc.

Question 8

foam

Answer 8

a mass of small bubbles foamed on or in liquid, typically by agitation or fermentation.

Question 9

Homogeneous

Answer 9

substances have completely disappeared in the mixture

Question 10

heterogeneous

Answer 10

Non-uniformed and particles can be seen

Question 11

insoluble

Answer 11

the, mixture isn’t clear the particles can be seen and this is called a supension