Chemistry

Chemistry, 02.10.2019 01:30, brookebeatrice8

Which of the following is an element? salt iron sand

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Biology, 07.07.2019 10:50, alphaaz23415

When salt is mixed with water and stirred, the salt will dissolve, forming a solution. when sand is mixed with water, the sand will not dissolve. why will salt form a solution with water but sand will not? a) salt is pulled apart into two ions by the polar water molecules, and sand is not. b) sand forms complex crystals which dissolve much more slowly than non-crystalline salt. c) salt consists of only 2 atoms and is small enough to dissolve, while sand is too large. d) sand is much harder than salt and so it will not form a solution with water.

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Chemistry, 04.08.2019 07:00, madisonsolis05

Match the best method to separate the parts of each boil the water. collect the solid. dissolve salt in water. pour through filter paper and collect the sand. remove iron filings with magnet. use a screen to sift and separate the big pieces from smaller pieces. pick out the bigger particles. add water and float one type of particle. answeres l l l l l v sand and salt gravel and rocks sand and gravel sand and iron filings sand and wood shavings sugar water

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Chemistry, 02.10.2019 06:30, iilovejohnccena1022

Which of the following is an element? salt iron sand

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Chemistry, 11.10.2019 14:30, angie249

Make a sentences describing what iron and sand filings sand and salt is plz

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