1

Question 0

Neutron (charge)

Answer 0

0

Question 1

Proton (charge)

Answer 1

+1

Question 2

Electron (charge)

Answer 2

-1

Question 3

Proton (relative mass)

Answer 3

1

Question 4

Neutron ( relative mass)

Answer 4

1

Question 5

Electron (relative mass)

Answer 5

1/1840

Question 6

Chemical symbol of ammonium

Answer 6

NH4

Question 7

Chemical symbol of hydroxide

Answer 7

OH

Question 8

Chemical symbol of carbonate

Answer 8

CO3

Question 9

Noble gases

Answer 9

Helium, neon, argon, krypton , xenon, radon

Question 10

Halogens

Answer 10

Fluorine, chlorine, bromine, iodine, astatine

Question 11

Reactivity series extracted by: electrolysis

Answer 11

Potassium, sodium, calcium, magnesium, aluminium

Question 12

Reactivity series extracted by: heating ore with carbon

Answer 12

Zinc, iron, tin, lead, copper

Question 13

Reactivity series extracted by: FOUND PURE

Answer 13

Silver, gold, platinum

Question 14

Amount of argon in air

Answer 14

0.9%

Question 15

Amount of o2 in air

Answer 15

21%

Question 16

Amount of nitrogen in air

Answer 16

78%

Question 17

Amount of co2 in air

Answer 17

0.04%

Question 18

Co2 increased due to

Answer 18

Burning fossil fuels

Deforestation

Question 19

Co increased to

Answer 19

Incomplete combustion

Question 20

Sulfur dioxide caused by

Answer 20

Volcano eruption

Fossil fuel combustion

Question 21

Methane released by

Answer 21

Cattle burp/fart

Question 22

Nitrogen oxides released by

Answer 22

Lightning

Cars

Question 23

Early atmosphere formation stages

Answer 23

1) volcanoes released co2 water vapour
2) earth cooled forming oceans
3) co2 dissolved into oceans, turned into shells of sea animals
4) shells turned intro sediment
5) plants photosynthesised

Question 24

Calcium carbonate heated forms

Answer 24

Calcium oxide and co2

Question 25

Add water to calcium oxide to get

Answer 25

Calcium hydroxide solution

Question 26

Add co2 to calcium hydroxide solution

Answer 26

Calcium carbonate

Question 27

Above ph7

Answer 27

Alkaline

Question 28

Below ph7

Answer 28

Acid

Question 29

Universal indicator solution

Answer 29

Red acidic Green neutral Purple alakaline

Question 30

Acids turn blue litmus paper

Answer 30

Red

Question 30

Alkalis turn red litmus paper

Answer 30

Blue

Question 30

Substances that can neutralise acid

Answer 30

Metal carbonates Metal oxides Metal hydroxides

Question 31

Chlorine uses

Answer 31

Cleaning products Make plastics Kill bacteria in water

Question 32

Test for chlorine

Answer 32

Turns damp blue litmus paper red then white

Question 32

Hydrogen uses

Answer 32

Rocket fuel | Hydrogen fuel cells

Question 32

Oxygen uses

Answer 32

Breathing in hospitals

Question 32

Steel alloy of

Answer 32

Iron | Carbon

Question 32

18k gold alloy of

Answer 32

Gold Silver Copper

Question 32

Nitinol alloy of

Answer 32

Nickel | Titanium

Question 32

Nitinol uses

Answer 32

``` Glasses frames Making stents(for collapsed blood vessels) ```

Question 32

Order of crude oil fractions (top to bottom)

Answer 32

``` Gases Petrol Kerosene Diesel Fuel Bitumen ```

Question 32

InComplete combustion, why? | extra products?

Answer 32

Not enough oxygen available | Produces carbon monoxide and soot

Question 32

Acid rain caused by

Answer 32

Burning of fossil fuels , releasing sulphur dioxide which dissolves in clouds

Question 32

Ethanol produced by

Answer 32

Processing sugar wheat or sugar beet with yeast

Question 32

Teacups (choosing fuels)

Answer 32

``` Transport Energy Availability Cost Usability Pollution Storage ```

Question 32

Hydrogen fuel cells ,explain

Answer 32

Hydrogen gas reacts with oxygen to make water (without combustion) releases electrical energy

Question 32

Disadvantages of hydrogen fuel

Answer 32

Storage | Cost

Question 32

Alkanes defined and examples

Answer 32

``` Only have single bonds Saturated Methane Ethane Propane Butane ```

Question 32

Alkenes defined

Answer 32

At least 1 double bond | Unsaturated

Question 32

Alkenes indicator

Answer 32

Turn bromine water from orange to colourless

Question 33

Cracking is

Answer 33

Breaking long chain NOT useful into 2 USEFUL parts

Question 34

Products of cracking

Answer 34

Alkene (used for polymerisation) | Shorter chain alkane

Question 35

Cracking requires

Answer 35

``` soaked wool (in alkane) Porcelain chips catalyst ```

Question 36

Polymerisation is

Answer 36

Breaking double bond | Turning monomers to polymers