By means of filtration, one component can be obtained pur...
By means of filtration, one component can be obtained pure from an aqueous mixture of sodium chloride and?
potassium nitrate
sand
lead nitrate
sugar (glucose)
starch
Correct answer is B
Use enough water to completely submerge the sand-salt mixture. Stir or shake the mixture for a few minutes so that the salt dissolves in the water.
The sand is insoluble, so it will remain visible.
H3PO4(aq) + H2O(l) ↔ H2PO4-(aq) + H3O+(aq) ΔH = -13kJ at 298K In the reaction above, an increa...
Which of the following equations does not illustrate correctly one of the reactions of chlorine? ...
Alkanoates are produced from alkanols by ...
Which of the following combinations of conditions may increase the rate of a chemical reaction? ...
What is the chemical symbol for Iodine? ...
The general gas equation was deprived from______? ...
Which are the correct IUPAC names for H-CO\(_2\)CH\(_3\) and CH \(\equiv\) CH...