Pure sub mixtures and solutions

Question 1

Pure substance

Answer 1

Matter that has a fixed composition (contains one element homogeneous)

Question 2

Mixture

Answer 2

2 PHYSICALLY combined compounds homogeneous or heterogeneous

Question 3

What is a compound

Answer 3

2 or more chemically combined elements

Question 4

What are homogeneous mixtures

Answer 4

Mixture in which the components are evenly distributed among each other. You cant see the component parts This is also known as a solution

Question 5

Solutions

Answer 5

Well mixed
Homogeneous
Transparent
Cannot be separated by filter
do not separate on standing

Question 6

Heterogeneous mixtures

Answer 6

The components are not evenly distributed among eachother. Two or more distinct phases that are usually detectible (not uniform properties)

Question 7

What is the Tyndall effect

Answer 7

particles in mixtures that scatter light

Question 8

What are the 3 classes of mixtures

Answer 8

Solution
Colloid
Suspension

Question 9

What is homogeneous

Answer 9

A substance which composition is uniform throughout the mixture

Question 10

What is heterogeneous

Answer 10

A mixture where throughout the solution the composition is not uniform

Question 12

How are heterogeneous substances like

Answer 12

They are 2 or more physically combined substances

Question 13

Colloid

Answer 13

Non transparent
non uniform
large particles
cloudy

Question 14

Suspension

Answer 14

Particles suspended in the mixutre
Flour in water