ores

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 element

Question 3

how are metals less reactive than carbon extracted

Answer 3

reduction

Question 4

how are metals more reactive then carbon extracted

Answer 4

electrolysis

Question 5

what does electrolysis mean

Answer 5

breaking apart a compound using electricity

Question 6

what is a anion

Answer 6

negatively charged ion

Question 7

what is a cation

Answer 7

a positively charged ion

Question 8

which electrode do positively charged elections go to

Answer 8

negative electron

Question 9

which electrode do negatively charged ions go to

Answer 9

positive electrode

Question 10

how are negative ions formed

Answer 10

gain an electron

Question 11

how are positive ions formed

Answer 11

lose electrons

Question 12

stages of life cycle assessment

Answer 12

obtain, manufacture use dispose

Question 13

produced when a metal reacts with water

Answer 13

metal hydroxide + hydrogen

Question 14

ph of alkalis

Answer 14

8-14

Question 15

ph of acids

Answer 15

1-6

Question 16

produced when a metal reacts with an acid

Answer 16

salt + hydrogen

Question 17

what’s the test for hygrogen

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