topic 7 - corrosion. topic 7 corrosion lesson 1/2 these outcomes relate to the powerpoint slides 1-4...

Topic 7 - CorrosionTopic 7 - Corrosion

Topic 7 CorrosionTopic 7 Corrosion

Lesson 1/2Lesson 1/2

These outcomes relate to theThese outcomes relate to the

PowerPoint Slides 1-4 on CorrosionPowerPoint Slides 1-4 on Corrosion

Topic 7 CorrosionTopic 7 Corrosion Lesson 1/2Lesson 1/2

What is What is corrosioncorrosion?? Do all metals corrode?Do all metals corrode? What term is used for iron What term is used for iron

corroding?corroding? What causes corrosion?What causes corrosion? What can speed up rusting?What can speed up rusting?

Topic 7 CorrosionTopic 7 Corrosion Lesson 1/2Lesson 1/2

How does this speed up rusting?How does this speed up rusting? What is the What is the formula formula for the iron for the iron

compound formed in corrosion? compound formed in corrosion? What What ionion is formed in the is formed in the firstfirst

stage of iron corroding?stage of iron corroding? What type of reaction is this?What type of reaction is this?




PowerPoint Slides 5-8 on CorrosionPowerPoint Slides 5-8 on Corrosion

Topic 7Topic 7 Corrosion Corrosion Lesson 2/3Lesson 2/3

What What chemical testchemical test can detect can detect the iron rusting? What are the the iron rusting? What are the results?results?

What ion does the test detect?What ion does the test detect? What is oxidation?What is oxidation? What ion is formed in the first What ion is formed in the first

stage of rusting?stage of rusting?

Topic 7Topic 7 Corrosion Corrosion Lesson 2/3Lesson 2/3

What ion is formed in the second What ion is formed in the second stage of rusting?stage of rusting?

What ion is produced when What ion is produced when oxygen and water pick up oxygen and water pick up electrons?electrons?

What type of reaction is this?What type of reaction is this? What indicator turns pink with What indicator turns pink with

these ions?these ions?




PowerPoint Slides 11-14 on PowerPoint Slides 11-14 on CorrosionCorrosion

Topic 7 CorrosionTopic 7 Corrosion Lesson Lesson 3/43/4

When iron is connected to When iron is connected to copper in a cell, why does it rust?copper in a cell, why does it rust?

How can this be shown by How can this be shown by experiment?experiment?

When iron is connected to When iron is connected to magnesium in a cell why does it magnesium in a cell why does it not rust? not rust?

How can you tell by experiment?How can you tell by experiment?



At this point consolidate all you knowAt this point consolidate all you know

so far using Slide 15 and so far using Slide 15 and

Assessment 12.2 from the pink textbookAssessment 12.2 from the pink textbook


What ways can iron be physically What ways can iron be physically protected?protected?

Why, if tin is scratched, does iron Why, if tin is scratched, does iron rust faster?rust faster?

In electroplating, what terminal is In electroplating, what terminal is iron coated with a metal?iron coated with a metal?

What type of reaction occurs here?What type of reaction occurs here?


What ways can iron be chemically What ways can iron be chemically protected?protected?

What is galvanising?What is galvanising? Why can galvanising supply Why can galvanising supply

physical and chemical protection?physical and chemical protection? What metal is generally used in What metal is generally used in

sacrificial protection? sacrificial protection?


In terms of electrons, why is iron In terms of electrons, why is iron protected by coating with zinc or protected by coating with zinc or placing close to magnesium?placing close to magnesium?



At this point consolidate all youAt this point consolidate all youKnow so far using Slide 22 and Know so far using Slide 22 and Assessment 12.1 from the pinkAssessment 12.1 from the pinktextbooktextbook



No Power Point exists for the No Power Point exists for the last few learning outcomes.last few learning outcomes.Relates to Workbook 7.9 CoreRelates to Workbook 7.9 Core

Topic 7 Topic 7 CellsCells Lesson 8/9Lesson 8/9

What is a What is a cellcell?? What is an What is an ion-bridgeion-bridge needed needed

for?for? Which way do electrons flow Which way do electrons flow

when zinc is connected to a when zinc is connected to a carbon rod in an acid solution?carbon rod in an acid solution?

What type of reaction is this?What type of reaction is this?


Can you write this ion-electron Can you write this ion-electron equation?equation?

What is happening to the What is happening to the hydrogen ionshydrogen ions??

What type of reaction is this?What type of reaction is this? Can you write this ion-electron Can you write this ion-electron

equation?equation?


What What type of rodstype of rods can connect can connect non-metal solutions together?non-metal solutions together?

When iodine solution is When iodine solution is connected to the sulphite ion connected to the sulphite ion solution , what happens to the solution , what happens to the iodine?iodine?

Can you write the ion-electron Can you write the ion-electron equation for this?equation for this?


What type of reaction is this?What type of reaction is this? What happens to the sulphite What happens to the sulphite

ion?ion? Can you write the ion-electron Can you write the ion-electron

equation for this?equation for this? What type of reaction is this?What type of reaction is this?

topic 7 - corrosion. topic 7 corrosion lesson 1/2 these outcomes relate to the powerpoint slides 1-4...

Documents

corrosion slide

corrosion lesson

iron rusting

iron compound

core slide

type of reaction

stage of iron corroding

ionelectron equation