Sodium is added to chlorine to make this chemical
What is salt?
The substances in these can be easily separated without a chemical reaction.
What is a mixture?
Wood rotting in the forest is an example of what type of change.
What is chemical change?
Freezing water, boiling water, crumbling paper, and crushing a soda can are examples of ...
What is physical change
50 mL of water is in a container, 25 grams is added and stirred. The total mass is ....
What is 75 grams
John and James were adding logs to a fire, they noticed that the original logs were black. John says a a chemical change has happened and a new substance has formed, James says nothing changed the logs are still there. Who is right?
John because anything that is burned is a chemical change.