Which of the following is true of solids?
a. all solids have equal melting points.
b. ionic solids have higher melting points than molecular solids.
c. molecular solids have higher melting points than all other types of solids.
d. it is impossible for solids to melt; therefore solids do not have melting points.

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

If maltose undergoes hydrolysis what subunits does it results to?