Lab 2 Flashcards
1
Q
What is the purpose of lab #2?
A
To react copper oxide with carbon and produce two new substances
2
Q
What happened to the copper oxide powder and the carbon powder?
A
The powder turned to a orange/red colour
3
Q
What happened to the limewater?
A
Milky white/precipitate
4
Q
What was the gas that formed that made the lime water change?
A
Carbon dioxide
5
Q
What was the reddish brown substance that was formed?
A
Copper
6
Q
Why is this a chemical change?
A
It releases a gas, precipitate,change in mass and colour
7
Q
What type of chemical reaction is it?
A
Oxidization
