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primary 5 | Science
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it's science but I could only put maths as the subject. Please help me thanks
Date Posted: 4 years ago
Views: 736
a) X. Some water vapour in set up Y has left the container through the holes present and unable to condense on the aluminium foil to form water droplets
b) Add ice on the aluminium foil
c) Salt. As only pure water evaporates, the remaining residue is the salt from the salt water.
b) Add ice on the aluminium foil
c) Salt. As only pure water evaporates, the remaining residue is the salt from the salt water.
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done
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Hope this helps
Date Posted:
4 years ago
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