Which one of the following is not a refinery process ? a) reduction
b) cracking
c) reforming
d) fractionation

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

In pqr m< p=60 m< q= 30 and m

Compare and contrast solutions and suspensions