There is no difference between a÷b and a:b
True
False
In the expression a÷b, a and b may not be the same kind or have the same unit.
But in the expression a:b, a and b must be of the same kind having the same unit.
In a: b = b:c , a is the mean proportion between b and c .
Nitrous acid HNO2 can decompose to NO and NO2.
Nitrous acid HNO2 decomposes to both NO and NO2.