Posted by Rezu on .
Roger made a mixture of salt and sand.Which of the following procedures explains the easiest way to separate the mixture?
A.Pour the mixture into a glass of water and stir it until the salt dissolves.Pour the micture through a filter.Evaportate the water.
B.Pour the mixture onto the floor.Drag a magnet through a mixture.
C.Put the mixture in a pan.Heat the pan until the sand melts.Let the mixture cool.
D.Spread the mixture into a thin layer.Pick out the tiny pieces of sand using a pair of tweezers.
Ah, now think a minute. Which do you think might work. The three that do not work are ridiculous.
I'm sure glad it isn't B or D!
Yes, A is the right answer.
true or false ?
All Substances are made of atoms of one or more different Elements
& can you please give more info on it (: