7. Identify and describe the simple laboratory techniques that you could use to separate the
homogeneous and heterogeneous mixtures in the following cases.
a) A student has carried out a double-replacement reaction and wishes to separate the small
amount of precipitate from the rest of the reaction mixture.
b) A researcher has a solution of two liquids with different boiling points and wishes to separate
and retain the two liquids.
c) A researcher obtained a solid from filtration but it is wet from being rinsed with water. The
researcher wishes to dry the solid by removing the water.
d) A student wishes to separate the individual substances in ink from a water-washable marker.
Answers: 2
Chemistry, 21.06.2019 18:20, ineedhelp773
Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases. as altitude increases, air density increases. air pressure and density are lowest at sea level. denser air exerts more pressure than less dense air.
Answers: 2
Chemistry, 23.06.2019 18:40, 22emilyl530
A2-inch, f/6 telescope has a 3-inch eyepiece focal. its magnifying power is: 36x 4x 3x 2x
Answers: 2
7. Identify and describe the simple laboratory techniques that you could use to separate the
homoge...
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