Test Thursday

Question 1

How is the heat alone method carried out? (Diagram)

Answer 1

ceramic wool, silver oxide, heat —> above diagram

Question 2

How is the heat and carbon method carried out? (Diagram)

Answer 2

Bottle cap, copper oxide, carbon powder, heat –> above diagram

Question 3

How is the electrolysis method carried out? (Diagram)

Answer 3

Look at jotter for answer

Question 4

what metals don’t usually need to be extracted?

Answer 4

Gold and Platinum

Question 5

what metals are extracted using heat alone

Answer 5

Mercury,Silver

Question 6

what metals are extracted using heat and carbon

Answer 6

copper,lead,tin,iron,zinc

Question 7

what metals are extracted using electrolysis

Answer 7

Aluminium,magnesium,calcium,lithium,sodium,potassium

Question 8

which metals react with water

Answer 8

potassium,sodium,lithium,calcium

Question 9

what is produced when a metal reacts with water

Answer 9

hydrogen gas

Question 10

How is the metal reacted with water reaction carried out?

Answer 10

1.Beaker half filled with water
2. Place metal inside beaker and record observations

Question 11

Which metals react with acid?

Answer 11

Potassium,sodium,lithium,calcium,magnesium,aluminium,zinc,iron tin,lead

Question 12

How is the metal reacted with acid reaction carried out?

Answer 12

1.Beaker half filled with acid
2. Place metal inside the beaker and record observations

Question 13

What metals react with oxygen?

Answer 13

Potassium,sodium,lithium,calcium,magnesium, aluminium, zinc iron tin lead copper mercury, silver

Question 14

How is the metal reacted with oxygen reaction carried out?

Answer 14

mini test tube,potassium permangate ceramic wool then metal that you want to test powder then ceramic wool over that. heat up for a few seconds and wait till the reaction occurs.

Question 15

Draw the reactivity series (everything)

Answer 15

(diagram)

Question 16

What is an alloy

Answer 16

An alloy is a mixture of two or more elements , where at least one element is a metal .

Question 17

why are alloys made

Answer 17

Alloying is done for many reasons, typically to increase strength, increase corrosion resistance, or reduce costs.

Question 18

Where are most metals found

Answer 18

In Ores

Question 19

During the extraction of metals, what is reduced?

Answer 19

Metal ions are reduced, forming metal atoms

Question 20

Positive metal ions form what when they are extracted from their ores?

Answer 20

neutral metal ions

Question 21

T or F: during the extraction of metals, metal ions are reduced forming metal atoms

Answer 21

True

Question 22

Aluminium metal is used to make aircraft, saucepans, window frames and cooking foil. State 3 properties which make it suitable for the use it is put

Answer 22

Conducts heat, flexible, lightweight

Question 23

What is it meant by recycling metals?

Answer 23

To turn old, unused metals into something new

Question 24

Why is there a need to recycle metals?

Answer 24

Metals don’t compost like what plants do so they need to be turned into something new to stop harming the plant

Question 25

Name 3 metals which are stored under oil

Answer 25

Sodium, potassium, lithium

Question 26

How does metals being packaged under oil indicate the reactivity of the metals

Answer 26

The metals react with the water and oxygen around us really violently, meaning it is quite dangerous

Question 27

What method of extraction is used for magnesium?

Answer 27

Electrolysis

Question 28

When reacting a metal with oxygen, what chemical was used to provide the oxygen?

Answer 28

Potassium permangate

Question 29

What is the product?
Metal + oxygen —>

Answer 29

Hydrogen + metal oxide

Question 30

Metal + water —>

Answer 30

Hydrogen and metal hydroxide

Question 31

Metal + hydrochloride aciid —>

Answer 31

Salt (metal chloride) and hydrogen