Science Metal revision

Question 1

What is an ore?

Answer 1

A rock containing metal

Question 2

What is a native metal?

Answer 2

A metal that is unreactive so is not combined with any other elements

Question 3

How are metals less reactive than carbon, extracted?

Answer 3

Reduction

Question 4

How are metal more reactive than carbon, extracted?

Answer 4

Electrolysis

Question 5

What does electrolysis mean?

Answer 5

Breaking apart a compound using electricity

Question 6

What is an anion?

Answer 6

Negatively charged ion

Question 7

What is a cation

Answer 7

Positively charged ion

Question 8

Which electrode do positively charged ions travel to?

Answer 8

Negative electrodes

Question 9

Which electrode do negatively charged ions travel to?

Answer 9

Positive electrodes

Question 10

How are negative ions formed?

Answer 10

Gain electrons

Question 11

How are positive ions formed?

Answer 11

Lose electrons

Question 12

What are stages of life cycle assesment?

Answer 12

Obtain, Manufacture, Use, Dispose

Question 13

What is produced when a metal reacts with water?

Answer 13

Metal Hydroxide + hydrogen

Question 14

What pH range are alkalis?

Answer 14

8-14

Question 15

What pH range are acids?

Answer 15

1-6

Question 16

What is produced when a metal reacts with an acid?

Answer 16

Salt + Hyrdogen

Question 17

What is the test for hydrogen?

Answer 17

Lit splint, goes pop

Question 18

What is displacement?

Answer 18

When a more reactive element takes the place of a less reactive element in a compound.