Lead is listed below zinc in the activity series.
what will most likely happen when zinc particles are placed in lead nitrate solution?
a) zinc lead will form
b) oxygen will evolve
c) no reaction will occur
d) zinc nitrate will form

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?