12e The Process of Making Soap and Its Cleansing Action
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SPM Form 5 Science Chapter 4
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Question 1 of 6
1. Question
1 pointsSoap can be produced by
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The correct answer is “heating the mixture of palm oil with sodium hydroxide”.
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Question 2 of 6
2. Question
1 pointsThe process of making soap is known as
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The correct answer is “saponification”.
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Question 3 of 6
3. Question
1 pointsThe information shows a word equation for the process of making soap.
X + Sodium hydroxide → Sodium salt of fatty acid + Glycerol
What is X?
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Incorrect
The correct answer is “Fat”.
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Question 4 of 6
4. Question
1 pointsThe following word equation shows a chemical reaction.
X + Alkali → Soap + Glycerol What is X?
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Incorrect
The correct answer is “Fat”.
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Question 5 of 6
5. Question
1 pointsThe following information shows the cleansing action of soap.
W – Soap foam causes the grease to float
X – Grease is freed through the formation of an emulsion
Y – The tail section of the soap molecule dissolves in greaseWhich sequence is correct?
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The correct answer is “Y→X→W”.
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Question 6 of 6
6. Question
1 pointsThe following word equation shows a chemical reaction in making soap.
X + Sodium hydroxide → Soap + Glycerol What is X?
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The correct answer is “Palm oil”.