pH Scale
Redox Reductions
Physical and Chemical Changes
Chemical Reactions
States of matter
100

What is the pH scale used for

Ranking solutions based on their acidity levels

100

how many rules are in redox reactions

4

100

what reaction happens when a bike rusts from rain

Chemical reaction

100

What is Synthesis

two substances combine to form a more complex substance

100

what state of matter is water

liquid
200

What happens when a blue litmus paper turns red?

It means the solution is acidic

200

Oxygen is usually __?

-2 

200
What change happens when paper is ripped 

Physical Change

200

What is single replacement

one element takes the place of another compound

200

what state of matter Is lightning

plasma

300

What is the pH of Blood

7.4

300

What two Phrases create the word redox

Oxidation and Reduction

300

What happens when wood burns

Chemical Change
300

What is double replacement

two ionic compounds react, and the ions switch partners.

300

what state of matter is boulder

solid

400

What two ions create a neutral solution

Hydronium & Hydroxide

400

What does reduction mean in redox reaction terms

 increase

400

what is a change that changes shape but remains the same material 

physical change

400

what is decomposition

substance breaking into to two or more simpler substances

400

name all the states of matter

Solid,liquid,gas,plasma

500

What does the pH scale range from

0-14

500

Oxidation is Gaining,Reduction is losing(True or False)

False

500

What is a change that can not be reversed

Chemical Change

500

what is combustion

a substance reacts with oxygen to create water or carbon dioxide

500

what state of matter is air

gas