Chemistry, 04.11.2020 21:40 TightKnowsDaWhey
A student wants to remove the salt from a mixture of sand and salt in order to get only pure sand. He adds water to the mixture. Why is this step helpful?
A Salt dissolves in water.
B Sand dissolves in water.
C The water freezes to the salt.
D The salt floats on top of the water.
Answers: 2
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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Chemistry, 23.06.2019 14:00
Ineed in question 5and6 in science the subject is science
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A student wants to remove the salt from a mixture of sand and salt in order to get only pure sand. H...
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