Corrosion - Revision history

Ellen References at 15:43, 3 December 2019

2019-12-03T15:43:32Z

Ellen References at 04:45, 17 November 2019

2019-11-17T04:45:17Z

Ellen References at 22:57, 3 November 2019

2019-11-03T22:57:45Z

NRJC at 11:36, 5 April 2019

2019-04-05T11:36:58Z

NRJC: /* Preventing and Reducing Corrosion */

2019-04-03T19:38:25Z

‎Preventing and Reducing Corrosion

NRJC at 14:03, 3 April 2019

2019-04-03T14:03:58Z

NRJC: /* Preventing and Reducing Corrosion */

2019-01-26T17:40:52Z

‎Preventing and Reducing Corrosion

NRJC: /* Preventing and Reducing Corrosion */

2019-01-26T17:23:07Z

‎Preventing and Reducing Corrosion

NRJC: /* Preventing and Reducing Corrosion */

2019-01-26T17:16:38Z

‎Preventing and Reducing Corrosion

NRJC: /* Preventing and Reducing Corrosion */

2019-01-26T17:05:09Z

‎Preventing and Reducing Corrosion

← Older revision		Revision as of 15:43, 3 December 2019
Line 69:		Line 69:
	:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Corrosion, pages 181-183, GCSE Chemistry, CGP, Edexcel '']		:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Corrosion, pages 181-183, GCSE Chemistry, CGP, Edexcel '']
	:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Corrosion, pages 91, 98-99, GCSE Chemistry, Pearson, Edexcel '']		:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Corrosion, pages 91, 98-99, GCSE Chemistry, Pearson, Edexcel '']
		+
		+	====OCR====
		+	:[https://www.amazon.co.uk/gp/product/1782945679/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945679&linkCode=as2&tag=nrjc-21&linkId=a2db42f7b4bdf10cafaafa3bb9120940 ''Corrosion, page 79, GCSE Chemistry; The Revision Guide, CGP, OCR Gateway '']
		+	:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Corrosion, pages 216-219, Gateway GCSE Chemistry, Oxford, OCR '']

← Older revision		Revision as of 04:45, 17 November 2019
Line 62:		Line 62:
	:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Corrosion, pages 287, 288, GCSE Chemistry, CGP, AQA '']		:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Corrosion, pages 287, 288, GCSE Chemistry, CGP, AQA '']
	:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Corrosion; prevention of, pages 259-60, GCSE Chemistry, Hodder, AQA '']		:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Corrosion; prevention of, pages 259-60, GCSE Chemistry, Hodder, AQA '']
		+
		+	====Edexcel====
		+
		+	:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Corrosion, page 235, GCSE Combined Science, Pearson Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Corrosion, page 64, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Corrosion, pages 181-183, GCSE Chemistry, CGP, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Corrosion, pages 91, 98-99, GCSE Chemistry, Pearson, Edexcel '']

← Older revision		Revision as of 22:57, 3 November 2019
Line 51:		Line 51:
	\| style="height:20px; width:300px; text-align:center;" \|A [[Sacrificial Anode]] made of [[Zinc]] has been attached to the [[Iron]] hull of a boat.		\| style="height:20px; width:300px; text-align:center;" \|A [[Sacrificial Anode]] made of [[Zinc]] has been attached to the [[Iron]] hull of a boat.
	\|}		\|}
		+
		+
		+	===References===
		+	====AQA====
		+
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Corrosion, page 338-9, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d94 ''Corrosion, page 98, GCSE Chemistry; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Corrosion, pages 220-221, GCSE Chemistry; Third Edition, Oxford University Press, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Corrosion, pages 258-9, GCSE Chemistry, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Corrosion, pages 287, 288, GCSE Chemistry, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Corrosion; prevention of, pages 259-60, GCSE Chemistry, Hodder, AQA '']

@@ Line 14: / Line 14: @@
 ===About Corrosion===
 : [[Corrosion]] is commonly caused by [[Water]], [[Oxygen]] and [[Acid]]s in the environment.
-: [[Metal]]s and [[stone]] (such as [[limestone]], [[marble]] and [[chalk]]) are the most commonly '''corroded''' [[material]]s.
+: [[Metal]]s and stone (such as [[limestone]], [[marble]] and [[chalk]]) are the most commonly '''corroded''' [[material]]s.
 : More [[Reactivity Series|reactive]] [[metal]]s are more easily '''corroded'''.

@@ Line 43: / Line 43: @@
 |}
-: [[Corrosion]] of a [[metal]] [[object]] can also be prevented using a [[Sacrificial Anode]] which is a [[metal]] more [[Reactivity Series|reactive]] [[metal]] placed in [[Electrical Contact|electrical contact]] with the [[object]]. This prevents [[Oxidation]] of the [[object]] because the more [[Reactivity Series|reactive]] [[metal]] has a greater tendency to form [[Positive Ion|positive ions]] causing it to [[Oxidation|oxidise]] instead of the [[object]].
+: [[Corrosion]] of a [[metal]] [[object]] can also be prevented using a [[Sacrificial Anode]] which is a [[metal]] more [[Reactivity Series|reactive]] [[metal]] placed in electrical contact with the [[object]]. This prevents [[Oxidation]] of the [[object]] because the more [[Reactivity Series|reactive]] [[metal]] has a greater tendency to form [[Positive Ion|positive ions]] causing it to [[Oxidation|oxidise]] instead of the [[object]].
 {| class="wikitable"

@@ Line 25: / Line 25: @@
 |-
 | style="height:20px; width:200px; text-align:center;" |The [[corrosion]] of [[Iron]] forms brown [[Iron Oxide]], known as [[Rusting|rust]]. [[Rusting]] happens more quickly in humid air or in [[Brine|salty water]].
-| style="height:20px; width:200px; text-align:center;" |The [[corrosion]] of [[Copper]] forms green [[Copper Carbonate]]. Initially the [[Copper]] is [[Oxidised]] to form [[Copper Oxide]], a black [[solid]], but then [[Chemical Reaction|reacts]] with [[Carbonic Acid]] to form [[Copper Carbonate]].
+| style="height:20px; width:200px; text-align:center;" |The [[corrosion]] of [[Copper]] forms green [[Copper Carbonate]]. Initially the [[Copper]] is [[Oxidised]] to form [[Copper Oxide]], a black [[solid]], but then [[Chemical Reaction|reacts]] with Carbonic Acid to form [[Copper Carbonate]].
 | style="height:20px; width:200px; text-align:center;" |This statue is made of [[Limestone]] which is mostly [[Calcium Carbonate]]. It is '''corroded''' by [[Acid Rain]] to form [[soluble]] [[salt]]s which wash away.
 |}

@@ Line 49: / Line 49: @@
 |[[File:SacrificialAnode.png|center|300px]]
 |-
-| style="height:20px; width:300px; text-align:center;" |A [[Sacrifical Anode]] made of [[Zinc]] has been attached to the [[Iron]] hull of a boat.
+| style="height:20px; width:300px; text-align:center;" |A [[Sacrificial Anode]] made of [[Zinc]] has been attached to the [[Iron]] hull of a boat.
 |}

@@ Line 30: / Line 30: @@
 ===Preventing and Reducing Corrosion===
-: [[Corrosion]] can be prevented by making a physical barrier between the [[object]] and the [[chemical]]s in the environment. This can be done by painting or [[electroplating]].
+: [[Corrosion]] can be prevented by making a physical barrier between the [[object]] and the [[chemical]]s in the environment. This can be done by painting, covering something in grease or by [[electroplating]].
 {| class="wikitable"
@@ Line 36: / Line 36: @@
 |[[File:RustingPipe.png|center|200px]]
 |[[File:Electroplating.png|center|200px]]
 |-
 | style="height:20px; width:200px; text-align:center;" |This [[Iron]] pipe was painted to prevent [[corrosion]], but where the paint has chipped away, the [[Iron]] has [[rusting|rusted]].
 | style="height:20px; width:200px; text-align:center;" |[[Electroplating]] can cover a [[Reactivity Series|reactive]] [[metal]] with a less [[Reactivity Series|reactive]] [[metal]] such as [[Copper]] create  a physical barrier between the [[object]] and the environment.
 |}

← Older revision		Revision as of 17:05, 26 January 2019
Line 30:		Line 30:

	===Preventing and Reducing Corrosion===		===Preventing and Reducing Corrosion===
		+	: [[Corrosion]] can be prevented by making a physical barrier between the [[object]] and the [[chemical]]s in the environment. This can be done by painting or [[electroplating]].
		+
		+	{\| class="wikitable"
		+	\|-
		+	\|[[File:RustingPipe.png\|center\|200px]]
		+	\|[[File:Electroplating.png\|center\|200px]]
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|This [[Iron]] pipe was painted to prevent [[corrosion]], but where the paint has chipped away, the [[Iron]] has [[rusting\|rusted]].
		+	\| style="height:20px; width:200px; text-align:center;" \|[[Electroplating]] can cover a [[Reactivity Series\|reactive]] [[metal]] with a less [[Reactivity Series\|reactive]] [[metal]] such as [[Copper]] create a physical barrier between the [[object]] and the environment.
		+	\|}
		+
		+	: [[Corrosion]] of a [[metal]] [[object]] can also be prevented using a [[Sacrificial Anode]] which is a [[metal]] more [[Reactivity Series\|reactive]] [[metal]] placed in [[Electrical Contact\|electrical contact]] with the [[object]]. This prevents [[Oxidation]] of the [[object]]
		+
		+	{\| class="wikitable"
		+	\|-
		+	\|[[File:SacrificialAnode.png\|center\|300px]]
		+	\|-
		+	\| style="height:20px; width:300px; text-align:center;" \|A [[Sacrifical Anode]] made of [[Zinc]] has been attached to the [[Iron]] hull of a boat.
		+	\|}