i’m reading about an acid attack on a boy. what are you reading, dad? cartoon 1
Post on 16-Dec-2015
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I’m reading about an acid attack on a boy.
What are you reading, dad?
Cartoon 1
What can this incident tell you about the nature of acids?
Acids can be corrosive.
Cartoon 1
Does that mean all acids are harmful?
No. Acids are commonly found in the food we eat, such as vinegar and coke.
Cartoon 2
What are the types of acids in coke and vinegar?
Coke contains carbonic acid whereas vinegar contains ethanoic acid.
Cartoon 2
Come, try this lemon.
Tell me how does it taste?
How do you know those food contain acids?
Cartoon 3
Why do lemons taste sour?
Acids have a sour taste and lemons contain
citric acid.
Cartoon 3
But not all acids are edible, is there another way to test for acids?
Yes, we can use damp blue litmus paper to test for acids.
Cartoon 4
The acid turned damp blue litmus paper red.
How has the acid changed the damp blue litmus paper?
Cartoon 4
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