Acids and Alkalis - Identifying pH with Indicators
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Onderdelen in deze les
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Sort the keywords into the correct box.
Acid
Alkali
Both
Sour
Bitter
Irritant
Corrosive
Lemons
Vinegar
Toothpaste
Soap
Bleach
Wear googles
Slide 5 - Sleepvraag
Mrs Walker dissolves 3 spoons of coffee powder in some hot water to make her morning cup of coffee.
Solute:
Solvent:
Solution:
Coffee powder
Hot water
Strong coffee
Slide 6 - Sleepvraag
A mixture of a substance (solid, liquid or gas) and a liquid.
A substance (solid, liquid or gas) that is dissolved in a liquid.
A liquid in which a substance dissolves.
Match the words to the definitions.
Solvent
Solute
Solution
Slide 7 - Sleepvraag
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Which solution is more concentrated?
A
A
B
B
Slide 10 - Quizvraag
Which solution is more concentrated?
A
A
B
B
Slide 11 - Quizvraag
Which solution is more concentrated?
A
A
B
B
Slide 12 - Quizvraag
Which solution is more corrosive?
A
A
B
B
Slide 13 - Quizvraag
Put the acids in order from most dilute to most concentrated.
Dilute
Concentrated
Slide 14 - Sleepvraag
How could you make this solution more concentrated?
Slide 15 - Open vraag
Slide 16 - Tekstslide
Slide 17 - Tekstslide
Slide 18 - Tekstslide
Slide 19 - Tekstslide
Slide 20 - Tekstslide
Name a weak acid
Slide 21 - Open vraag
Name a strong acid
Slide 22 - Open vraag
Name a weak alkali
Slide 23 - Open vraag
Name a strong alkali
Slide 24 - Open vraag
Slide 25 - Tekstslide
Solution Colour pH
pH 14
pH 4
pH 1
pH 10
pH 7
Purple
Red
Green
orange
Blue
Slide 26 - Sleepvraag
Sort the keywords into the correct box.
Acid
Alkali
Sour
Bitter
pH 10
pH 1
Red - Orange
pH 5
pH above 7
pH 8
Blue- Purple
pH Below 7
Slide 27 - Sleepvraag
Slide 28 - Video
Slide 29 - Tekstslide
This acid is...
A
Weak
B
Strong
Slide 30 - Quizvraag
This acid is...
A
Weak
B
Strong
Slide 31 - Quizvraag
This acid is...
A
Weak
B
Strong
Slide 32 - Quizvraag
Match the keyword to the definition.
Lots of acid particles in less solvent.
Few acid particles in lots of solvent.
All the acid particles split up when dissolved.
Some acid particles split up when dissolved.
Concentrated
Dilute
Strong
Weak
Slide 33 - Sleepvraag
Match each diagram to the correct description.
strong & dilute
strong & concentrated
weak & dilute
weak & concentrated
Slide 34 - Sleepvraag
How would you make a dilute acid solution?
Slide 35 - Open vraag
A pupil has a dilute solution of weak lemon juice and a concentrated solution of strong bleach. What hazard symbol should she use to label each solution? Explain your choice.
