Chemistry Review Chapter 1
terms and information covered in chapter 1. Focus on properties and changes.
A change of _____________________, such as a liquid changing to a gas, is an example of a physical change.
What are the indicators that a chemical change took place? ( hint: there are 5)
temperature change, fizzing/bubbling, noise or sound produced, odor, color change
Examples of chemical change
rusting, burning, baking a cake
Example of physical change
boiling, melting, change of state
oxidizes in air, flammable
color, smell, density, melting, boiling point
A change in physical property of matter is an indicator that
a physical or a chemical change took place
make one substance different from another
The best indicator that a chemical change occurred
the composition of a substance changed
chemical change because new compounds have formed.
Salt water being boiled
results in a physical change when the water evaporates and the salt remains.
example of a chemical change because the organism is broken down into new substances.
Chemical property of water
Water can separate into hydrogen and oxygen.