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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 12 Marks
We need to rub salt on a corncob but only salt crystals are available.
Answer
We can pound salt crystals. Either we can use mortar pestle or we can also crush the crystals of salt in a grinder. Such powdered salt can be easily applied on the corncob.
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Question 22 Marks
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Answer
We can pound sugar candy into a fine powder. When the powder is fine, it will quickly dissolve in water. Therefore we can make sherbet quickly.
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