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Acids and bases 2

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
13 March 2024
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ChemistrySecondary EducationAge 12,13

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The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
13 March 2024

Slide 1 - Diapositive


  • simulate a test for determining the pH level of certain substances to define what strong and weak acids and bases are (DONE)
  • participate in the hinge-point discussion and sharing of outputs
  • create a completed version of the given text to describe the nature of acids and bases
Our Learning Goals

Slide 2 - Diapositive

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
13 March 2024

Slide 3 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 4 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 5 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 6 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 7 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 8 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 9 - Diapositive

a substance that changes colour when added to acidic or alkaline solutions
Indicators

Slide 10 - Diapositive


a scale from below 0 to 14 that is used to express the acidity and alkalinity of a solution
pH Scale

Slide 11 - Diapositive


a scale from below 0 to 14 that is used to express the acidity and alkalinity of a solution
pH Scale

Slide 12 - Diapositive


a scale from below 0 to 14 that is used to express the acidity and alkalinity of a solution
pH Scale

Slide 13 - Diapositive

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
13 March 2024

Slide 14 - Diapositive

Water as a Solvent

Slide 15 - Diapositive

Slide 16 - Diapositive

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
13 March 2024

Slide 17 - Diapositive


Hydrochloric acid
A
pH 0.0
B
pH 1.0
C
pH 2.0
D
pH 3.0

Slide 18 - Quiz


Sodium hydroxide
A
pH 1.0
B
pH 2.0
C
pH 13.0
D
pH 14.0

Slide 19 - Quiz


gastric juice (stomach acid)
A
pH 2.0
B
pH 2.5
C
pH 3.0
D
pH 1.0

Slide 20 - Quiz


lemon juice
A
pH 2.0
B
pH 2.5
C
pH 3.0
D
pH 1.0

Slide 21 - Quiz


vinegar
A
pH 2.0
B
pH 2.5
C
pH 3.0
D
pH 1.0

Slide 22 - Quiz


urine
A
pH 5.0
B
pH 5.5
C
pH 6.0
D
pH 7.0

Slide 23 - Quiz


sugar solution
A
pH 5.0
B
pH 5.5
C
pH 6.0
D
pH 7.0

Slide 24 - Quiz


blood
A
pH 5.4
B
pH 5.5
C
pH 7.1
D
pH 7.4

Slide 25 - Quiz


baking soda solution
A
pH 8.5
B
pH 9.0
C
pH 7.5
D
pH 7.0

Slide 26 - Quiz


toothpaste
A
pH 8.5
B
pH 9.0
C
pH 7.5
D
pH 7.0

Slide 27 - Quiz

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
11 March 2024

Slide 28 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 29 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 30 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 31 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 32 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 33 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 34 - Diapositive

a substance that dissolves in water, producing H+(aq) ions 
Acids

Slide 35 - Diapositive

Slide 36 - Diapositive

capability
I

Slide 37 - Diapositive

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
11 March 2024

Slide 38 - Diapositive

A soluble base that produces OH-(aq) ions in water
Alkalis

Slide 39 - Diapositive

A soluble base that produces OH-(aq) ions in water
Alkalis

Slide 40 - Diapositive

A soluble base that produces OH-(aq) ions in water
Alkalis

Slide 41 - Diapositive

A soluble base that produces OH-(aq) ions in water
Alkalis

Slide 42 - Diapositive

A soluble base that produces OH-(aq) ions in water
Alkalis

Slide 43 - Diapositive

A soluble base that produces OH-(aq) ions in water
Alkalis

Slide 44 - Diapositive

  • a substance that neutralises an acid, producing salt and water as the only products
  • mainly insoluble in water
Bases

Slide 45 - Diapositive

  • a substance that neutralises an acid, producing salt and water as the only products
  • mainly insoluble in water
Bases

Slide 46 - Diapositive

compounds used medically to treat indigestion by neutralising excess stomach acid
Antacids

Slide 47 - Diapositive

compounds used medically to treat indigestion by neutralising excess stomach acid
Antacids

Slide 48 - Diapositive

compounds used medically to treat indigestion by neutralising excess stomach acid
Antacids

Slide 49 - Diapositive

The nature of Acids and Bases
Topic 7. Acids, Bases, and Salts 
11 March 2024

Slide 50 - Diapositive

Classwork 7 
timer
20:00

Slide 51 - Diapositive


  • Share one thing you learned.
  • Write one question you still have in mind.
Wrap-up

Slide 52 - Diapositive

Closing : Lesson Key Points

Slide 53 - Diapositive

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