What is a method of casehardening involving diffusion in which the
steel to be casehardened is machined, heat treated placed in an air tight box
and heated to about 1000 oF
The atomic number of potassium is 19 and that of mangness is 25 Although the colour of MnO4 is dark violet yet the K+ is colourless this is due to the fact that.
Rectified spirit obtained by formentation contains 5% of water .So in order to remove it, rectified spirit is mixed with suitable quantity of benzene and heated Benzene helps because.