Answer is: <span>because dissolved compounds can crystallizing from solution during filtration and forming crystals on the filter paper or funnel.
</span>Recrystallization<span> is a technique used to purify chemicals by dissolving both impurities and a compound in an appropriate solvent, either compound or impurities can be removed from the solution, leaving the other behind.</span>
I think its
<span>The Mechanical energy in a mechanical system is determined by adding the potential and kinetic energy together. </span>
Answer:
The answer is A, if im not mistaken