C4 Chemical Changes

Question 1

What is neutral of the PH scale?

Answer 1

7

Question 2

What does acid + base equal?

Answer 2

Salt + water

Question 3

Name the reactivity Series in order?

Answer 3

Potassium
Sodium
Litium
Calcium
Magnesium
Carbon
Zinc
Iron
Hydrogen
Copper

Question 4

What are the two odd elements of the periodic table?

Answer 4

Carbon and hydrogen

Question 5

What does metal + water equal?

Answer 5

Metal hydroxide + hydrogen

Question 6

What do strong acids do?

Answer 6

dissociate and have a high level of H+ ions

Question 7

What do weak acids do?

Answer 7

No not completely dissociate and have a low or zero level of H+ ions

Question 8

What does OILRIG mean?

Answer 8

Oxidation is loss, Reduction is gain

Question 9

What have metals higher than carbon been etracted by?

Answer 9

Eletrolysis

Question 10

What have metals lower than carbon been etracted by?

Answer 10

By reduction

Question 12

A more reactive metal will what a less reactive metal from it’s compund?

Answer 12

Displace

Question 13

If you put iron in a solution of copper sulfate what will you end up with?

Answer 13

Iron sulfate and Copper