Page 3 (Biology)

Question 1

A material composed of two or more elements/compounds that are physically mixed together

Answer 1

Mixture

Question 2

What is an example of a mixture

Answer 2

Salt and pepper

Question 3

What is the first type of mixture

Answer 3

Solution

Question 4

All components are evenly distributed throughout

Answer 4

Solution

Question 5

The substance that is being dissolved in a solution

Answer 5

Solute

Question 6

The part that causes the substance to dissolve in a solution

Answer 6

Solvent

Question 7

Mixture of water and non dissolved material

Answer 7

Suspension

Question 8

Indicates concentration of H+ ions in solution

Answer 8

Ph scale

Question 9

At ph, the concentration of H+ ions and OH- ions is ___

Answer 9

Equal

Question 10

What does OH stand for

Answer 10

Hydroxide

Question 11

Solution with a ph below 7 because they have more H+ ions than OH-

Answer 11

Acid

Question 12

Solution with a ph above 7 because they have more OH- ions than H+

Answer 12

Basic

Question 13

Weak acids or bases that can react strong acids/ bases to prevent sharp, sudden changes in Ph

Answer 13

Buffer

Question 14

Contains higher concentration of H+ ions than pure water; ph below 7

Answer 14

Acidic Solution

Question 15

Contains lower concentration of H+ ions than pure water; ph values are above 7

Answer 15

Basic/Alkaline Solutions