subject
Chemistry, 25.03.2020 07:37 Samridh

A student has a mixture of solid sand and NaCl(aq) in a flask. To obtain solid NaCl from this mixture, the student should

(1) Remove the sand by filtration, then evaporate the water.

(2) Remove the NaCl by filtration, and then distill the liquid.

(3) Remove the sand by filtration, then use chromatography to remove the NaCl

(4) Evaporate the water, then filter the sand and salt.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 13:50
Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.
Answers: 3
question
Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
question
Chemistry, 22.06.2019 10:30
Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic
Answers: 1
question
Chemistry, 22.06.2019 11:30
If i add water to oil what will happen
Answers: 3
You know the right answer?
A student has a mixture of solid sand and NaCl(aq) in a flask. To obtain solid NaCl from this mixtur...
Questions
question
Mathematics, 30.03.2020 22:27
question
Mathematics, 30.03.2020 22:27
question
Mathematics, 30.03.2020 22:27
Questions on the website: 13722363