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Acids and metalsAcids and metalsStarter QuestionStarter Question

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BrainstormingBrainstorming

Write Write down 5 down 5 things you things you know know about about acids and acids and metalsmetals

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The pH scaleThe pH scale

Acid, neutral or alkali?Acid, neutral or alkali?

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Everyday AcidsEveryday Acids

Write down the name of some common acid, Write down the name of some common acid, alkaline and neutral solutionsalkaline and neutral solutions

AcidAcid AlkaliAlkali NeutraNeutrall

vinegarvinegar bicarbonate of bicarbonate of sodasoda

waterwater

lemon juicelemon juice ammoniaammonia salt solutionsalt solution

Cream of tartarCream of tartar milk of magnesiamilk of magnesia

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Neutralisation (1)Neutralisation (1)

10 ml acid

alkali

10 ml acid

2 ml alkali

4 ml alkali

6 ml alkali

8 mlalkali

10 ml alkali

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Neutralisation (2)Neutralisation (2)

10 ml alkali

acid

10 ml alkali

2 ml acid

4 ml acid

6 ml acid

8 mlacid

10 ml acid

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Strong or weak?Strong or weak?AcidAcid

Put these acid solutions Put these acid solutions in order (strong to in order (strong to

weak)weak)

AlkaliAlkaliPut these alkali Put these alkali solutions in order solutions in order (strong to weak)(strong to weak)

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Neutralisation productsNeutralisation products

1.1. What are the two What are the two reactantsreactants of of neutralisation reaction?neutralisation reaction?

2.2. What are the two What are the two productsproducts of a of a neutralisation reaction?neutralisation reaction?

3.3. How do you separate the two products?How do you separate the two products?Remove the water by evaporation the substance left behind is salt

Acid and alkaliAcid and alkali

Salt and waterSalt and water

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What is the variable you control?What is the variable you control?

What is the variable you measure?What is the variable you measure?

How will you keep your investigation fair?How will you keep your investigation fair?

What type of graph will you draw?What type of graph will you draw?

InvestigationInvestigation

The type of fizzy drink

The pH

Same volume of drink, same volume of indicator

Bar graph

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InvestigationInvestigation

What is wrong with What is wrong with this bar graph?this bar graph?

Bars different widthsBars different widths No labels for barsNo labels for bars No label for vertical No label for vertical

axisaxis Scale of vertical axis Scale of vertical axis

is not regularis not regular Ruler was not used Ruler was not used

correctly to draw one correctly to draw one of the barsof the barsType of drink

0

4

11

10

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Everyday neutralisationEveryday neutralisation1.1. What would you use to neutralise a bee sting?What would you use to neutralise a bee sting?

2.2. What would you use to neutralise a wasp sting?What would you use to neutralise a wasp sting?

3.3. What would you use to neutralise acid heart burn?What would you use to neutralise acid heart burn?

4.4. What is used to neutralise plague acid?What is used to neutralise plague acid?

5.5. What would a gardener use to neutralise an acid soilWhat would a gardener use to neutralise an acid soil

An alkali- like bicarbonate of soda

An acid-like vinegar

An alkali-like milk of magnesia

The alkali in toothpaste- bicarbonate of soda

An alkali- like slaked lime

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Metal and metal compoundsMetal and metal compounds

Sort these into 2 groups- metals and Sort these into 2 groups- metals and compoundscompounds

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Metal and metal compoundsMetal and metal compounds

Metal compounds MetalsMetal compounds Metals

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Reactions- metals with waterReactions- metals with water

Put these metals into order (most reactive Put these metals into order (most reactive first)first)

potassium-flames

Sodium- fizzes violentlycalcuim-

lots of bubbles

Magnesium- a few bubbles

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Reactions- metals with acidReactions- metals with acid

Put these metals into order (most reactive Put these metals into order (most reactive first)first)

Lead- a few

bubblesgold- no bubbles

iron-some bubbles

copper- no bubbles

Magnesium-loads of bubbles

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Reactions- Metals with oxygenReactions- Metals with oxygen

Put these metals into order (most reactive Put these metals into order (most reactive first)first)

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The reactivity seriesThe reactivity series

Potassium (most Potassium (most reactive)reactive)

SodiumSodium LithiumLithium CalciumCalcium Zinc Zinc Iron Iron TinTin LeadLead CopperCopper Gold Gold Platinum (least Platinum (least

reactive)reactive)

1.Gold and potassium chloride2.Potassium and gold chloride3.Calcium and tin oxide4.Lead and zinc hydride5.Lithium and platinum iodide

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Splitting compoundsSplitting compounds What elements were seen at the electrodes when What elements were seen at the electrodes when

electricity was passed through copper chloride solution?electricity was passed through copper chloride solution?

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Splitting metal compoundsSplitting metal compounds

Name the elements produced from Name the elements produced from splitting these compoundssplitting these compounds

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Electroplating & ElectrolysisElectroplating & Electrolysis What is electrolysis?What is electrolysis?

What is electroplating?What is electroplating?

Why are some metals electroplated?Why are some metals electroplated?

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Acids and metals project (1)Acids and metals project (1) Find out about the Find out about the

Klondike Gold RushKlondike Gold RushSlide 1- Name and titleSlide 1- Name and titleSlide 2- What is gold and Slide 2- What is gold and

what is it used for?what is it used for?Slide 3- Why is gold so Slide 3- Why is gold so

expensive?expensive?Slide 4- Describe the events Slide 4- Describe the events

of the Klondike Gold Run. of the Klondike Gold Run. Slide 5- Websites used Slide 5- Websites used

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Acids and metals project (2)Acids and metals project (2) Find out how metals are Find out how metals are

extracted from their oresextracted from their oresSlide 1- Name and titleSlide 1- Name and titleSlide 2- Use of aluminiumSlide 2- Use of aluminiumSlide 3- How is aluminium Slide 3- How is aluminium

extracted?extracted?Slide 4- Use of ironSlide 4- Use of ironSlide 5- How is iron extracted?Slide 5- How is iron extracted?Slide 6- Use of goldSlide 6- Use of goldSlide 7- How do we get gold?Slide 7- How do we get gold?Slide 8- Websites used Slide 8- Websites used

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Acids and metals project (3)Acids and metals project (3) Find out about alloysFind out about alloysSlide 1- Name and titleSlide 1- Name and titleSlide 2- What is an alloy?Slide 2- What is an alloy?Slide 3- What is bronze?Slide 3- What is bronze?Slide 4- Uses of bronzeSlide 4- Uses of bronzeSlide 5- What is brass?Slide 5- What is brass?Slide 6- Uses of brassSlide 6- Uses of brassSlide 7- What is steel?Slide 7- What is steel?Slide 8- Uses of steelSlide 8- Uses of steelSlide 9- What is solder?Slide 9- What is solder?Slide 10-Uses of solderSlide 10-Uses of solderSlide 11- Websites used Slide 11- Websites used

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Revision (1)Revision (1)

Can I….Can I…. REDRED AMBERAMBER GREENGREEN

measure the pH of common solutions?

identify acids, alkalis and neutral solutions from the pH values?

remember the lower the pH of an acid the greater the acidity?

remember the higher the pH of an alkali the stronger the alkali?

state that acids and alkalis combine to

form a neutral solution?state that when an acid neutralises an alkali, a salt and water is formed?

give real life examples of neutralisation?

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Revision (2)Revision (2)Can I….Can I…. REDRED AMBERAMBER GREENGREEN

do an investigation on pH of fizzy drinks?

list metals in order of reactivity with oxygen, water and acid?

give examples of how reactivity relates to uses and sources of metals?

state that more reactive metals can displace less reactive metal compounds from their solutions?

state that electrolysis can be used to obtain a metal from a solution?

describe the effects of electroplating?

give examples of how some metals are extracted?

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Important wordsImportant words

Use these words to help your spellingUse these words to help your spelling