How can you safety determine which beaker contains water and which beaker contains ethanol and water?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process