Expressing the concentration of a solution:- Before we start with the concentration, we should understand the calculation of moles. A number of moles =mass of solute /Molecular mass of the substance. Example:...
Alongside your various appointments of the days, sometimes it gets monotonous to continue with the academics, and that's the only difference a student can make from being average to a topper. During days...
Hello everyone, my name is tathagata roy chowdhury, I am now an assitant professor in engineering college but when I was small I was always afraid for the examination. I always thought that if everyone...
ADVANTAGES OF TUNNELLING:(i) Generally, when the depth of open-cut is more than 18 m, tunnelling is economical.(ii) Tunnels carry railway lines, roads and public utility service like water, oil, gas,...