C2 Chemical Resources

Question 0

What is a crust

Answer 0

Outer layer of hard rock

Question 1

What does the earth have ?

Answer 1

A crust, Mantle and a core

Question 2

What’s the lithosphere

Answer 2

The crust and mantle

It is cold and rigid

Question 3

What is the mantle

Answer 3

A solid between the crust and core

It is rigid

Question 4

What is the earths core

Answer 4

It is the center
The inner core is solid
The outer core is liquid

Question 5

What is the earths surface made up of

Answer 5

Tectonic plates of rock

Question 6

Where do volcanoes and earthquakes occur?

Answer 6

At the edge of tectonic plates

Question 7

How much doe tetonic plates move a year

Answer 7

2.5 c,

Question 8

What do seismic waves tell us?

Answer 8

What’s happening below the crust

Question 9

What is a shock wave

Answer 9

A seismic wave

Question 10

What are the two types of wave

Answer 10

P wave and S wave

Question 11

What does a S wave do?

Answer 11

It travels through mantle and detects solids

Question 12

What does a p wave do?

Answer 12

It travels through liquid and the inner core

Question 13

What is Pangea

Answer 13

A super continent that broke into smaller parts to form South America and Africa

Question 14

How are volcanoes formed

Answer 14

Molten rock

Question 15

What causes volcanoes to erupt

Answer 15

Oceanic and continental drift

Question 16

What is subduction

Answer 16

Tectonic plates colliding.

Dense ones are pushed under the less dense ones

Question 17

What forms igneous rocks?

Answer 17

Volcanic activity

Question 18

First step of making semimentary rocks

Answer 18

Layers of sediments lay in lakes and rivers

Question 19

Second step of forming sediment rocks

Answer 19

The layers get compressed

Question 20

Third step of forming sedimentary rocks

Answer 20

Deposits of minerals create a cement

Question 21

What is limestone

Answer 21

Sediment rocks and sheshells

Question 22

Thermal decomposition formulae

Answer 22

Calcium carbonate = calcium oxide +Carbon dioxide

Question 23

How is metamorphic rocks formed

Answer 23

Others rocks are heated and put under pressure

Question 24

What is marble

Answer 24

A metamorphic rock made of limestone

Question 25

What rock does fresh magma form?

Answer 25

Igneous rock. | Honeycomb

Question 26

One property of igneous rocks

Answer 26

Hard due to crystal minerals

Question 27

Example of an igneous rock

Answer 27

Graphie

Question 28

Where are aluminium and iron extracted?

Answer 28

From ores in rocks

Question 29

How is glass made

Answer 29

Melting sand limestone and soda

Question 30

What are bricks made from

Answer 30

Clay

Question 31

What is a problem with extracting rocks

Answer 31

Either emvirment Quarry's Noise and pollution Danger of unused sites

Question 32

How can you obtain pure copper

Answer 32

Electrolysis

Question 33

What does electrolysis mean

Answer 33

Separating with electricity

Question 34

What's a cathode

Answer 34

The negative side

Question 35

What's a anode

Answer 35

The positive side

Question 36

What is reduction

Answer 36

The gain of electrons

Question 37

What is oxidation

Answer 37

The loss of electrons

Question 38

Oil rig

Answer 38

Oxidation is loss | Reduction is gaiin

Question 39

What does recycling save

Answer 39

Money and resources

Question 40

What is an alloy

Answer 40

A mixture of a metal nod other elements

Question 41

What is steel and alloy of?

Answer 41

Iron and carbon

Question 42

Brass is an alloy of .....

Answer 42

Copper and zinc

Question 43

Bronze is an alloy of.....

Answer 43

Copper and tin

Question 44

Solder is an alloy of.....

Answer 44

Lead and tin

Question 45

Amalgam is an alloy of....

Answer 45

Mercury

Question 46

Nitinol is a special alloy why?

Answer 46

It has shape memory

Question 47

What makes iron corroded

Answer 47

It rusts when in contact with oxygen and watere

Question 48

Rust equation

Answer 48

Iron +oxygen + water = hydrated iron III oxide

Question 49

Why is aluminium a better than steel for car bodies

Answer 49

It has a lower density and is lighter | It corrodes less

Question 50

What elements are used to make a car and where

Answer 50

``` Steel for body work Aluminium for engine Glass Plastics doors and internal Fibers for covers of seats ```

Question 51

What neutralises each other's

Answer 51

Acids and bases

Question 52

What is an indicator

Answer 52

a dye that changes colour

Question 53

The reaction between acids and bases is called what

Answer 53

Neutralisation | Acid+base = salt +water

Question 54

Metal oxides and metal hydroxides are what?

Answer 54

Alkalis and form neutralisation reactions with acids

Question 55

Acids and carbonates produce what?

Answer 55

Carbon dioxide, salt and water

Question 56

Acids and ammonia produce what.....

Answer 56

Ammonium salt

Question 57

What do fertilisers do?

Answer 57

Provide plants with essential elements for growth

Question 58

3 things plants need for growth

Answer 58

Nitrogen Potassium Phosphorus

Question 59

What's the problem with fertilisers

Answer 59

They can damage lakes and rivers

Question 60

What is the sequence that happens in water due to fertilisers

Answer 60

Mega growth Mega death Mega decay

Question 61

What happens in the water when fertilisers go into lakes and rivers EUTROPHICATION

Answer 61

Algae multiply to creat an algae bloom and blocks the light. No photosynthesis = dead plants Dead plants allow bacteria to decay them This uses up hue oxygen and the river dies with the fish too.

Question 62

How do you prepared ammonium nitrate?

Answer 62

You do it in a lab and use a titration to neutralise the acid and base

Question 63

What is yield

Answer 63

It is the mass of product

Question 64

The harber process Is a What type of reaction

Answer 64

Reversible one

Question 65

What does the harber process need

Answer 65

Pressure of 200 atmospheres Temp of 450 Catalyst of iron

Question 66

You need to minimise the cost of production on way is energy prices how do you do this?

Answer 66

High temps mean high running costs so lower temps are better

Question 67

Where is salt mined

Answer 67

Under Cheshire

Question 68

Electrolysis of brine gives what....

Answer 68

Hydrogen chlorine and NaOH

Question 69

What is brine?

Answer 69

Sodium chloride sollution

Question 70

What is given off at the cathode with brine electrolysis?

Answer 70

Hydrogen

Question 72

What is given off at the anode with brine electrolysis

Answer 72

Chloride gass

Question 73

what are optimum conditions?

Answer 73

ones that give the lowest production cost

Question 74

what differs in an euruption of a silica righ rhyolitic lava to an iron-rich basaltic lava euruption

Answer 74

iron-rich basalt lava is runny and so the eurption is fairly safe silica-rich rhyolite is explosive and produces thick lava which can be violenty blown out of the volcano