Science Quiz Yay

Question 1

Colloid

Answer 1

A mixture containing small, undissolved particles that do not settle out

Question 2

Indicator

Answer 2

A compound that changes color when in contact with an acid or a base

Question 3

Digestion

Answer 3

Breaks down the complex molecules of foods into smaller molecules

Question 4

Solute

Answer 4

The substance that is present in the smallest amount & is dissolved by the solvent

Question 5

Unsaturated solution

Answer 5

A solution in which you can dissolve more solute

Question 6

Base

Answer 6

A substance that tastes bitter, feels slippery, and turns red litmus paper blue; produces hydroxide ions in water

Question 7

Hydroxide ion

Answer 7

A negative ion, made of oxygen and hydrogen

Question 8

Supersaturated solution

Answer 8

A solution that has more dissolved solute than is predicted by its solubility at the given temperature because the solution was heated

Question 9

Solubility

Answer 9

A measure of how much solute can dissolve in a solvent at a given temperature

Question 10

Neutralization

Answer 10

A reaction between an acid and a base

Question 11

Saturated Solution

Answer 11

When you’ve added so much solute that no more dissolves

Question 12

Solvent

Answer 12

The part of a solution present in the largest amount. It dissolves the other substances.

Question 13

Solution

Answer 13

A well-mixed mixture that contains a solvent and at least one solute

Question 14

Hydrogen Ion

Answer 14

An atom of hydrogen that has lost its electron

Question 15

Corrosive

Answer 15

Means “eating away” at other materials

Question 16

Suspension

Answer 16

A mixture in which particles can be seen and easily separated by settling or filtration

Question 17

Acid

Answer 17

A substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red; produces hydrogen ions in water

Question 18

Concentrated Solution

Answer 18

Solution that has a lot of solute dissolved in the solvent

Question 19

pH Scale

Answer 19

A range of values from 0 to 14 that expresses the concentration of hydrogen ions in a solution

Question 20

Salt

Answer 20

Any ionic compound that can be made from the neutralization of an acid with a base

Question 21

Dilute Solution

Answer 21

Mixture that has only a little solute dissolved in a certain amount of solvent