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primary 6 | Science
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Kc
Kc

primary 6 chevron_right Science chevron_right Singapore

Please help. Thanks

Date Posted: 4 years ago
Views: 634
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Think it’s 1
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STC
Stc's answer
7 answers (A Helpful Person)
1st
Answer should be option 2. Given the cover on top, less exposure to the air. As for mass, it won’t change because there is no change of water to gas or solid state. However, take note, if there is no cover, answer will be option 3.
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Slash
Slash's answer
188 answers (Tutor Details)
Emily Soin
Emily Soin
4 years ago
Won't mass change when air contract, answer should be 1 -_-
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HiderApplecross
Hiderapplecross's answer
1783 answers (Tutor Details)
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