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Member for
2 ปี 8 เดือนAge: 7-12
Level: 2/3/4
Language: English
(en)
ไอดี: 1536903
17/10/2021
Country code: VN
Country: Vietnam
Main content: Mixtures and Solutions (2010574)
Some solids dissolve when they are mixed with a liquid. This means the solid breaks into pieces that are too small to see. When the solid has dissolved we cannot see it but it is still there.
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