Correct answer
A. 50
Explanation
The correct answer is 50.
The absolute entropy for all crystalline substances at absolute zero temperature is ________?
Pick out the wrong statement?
Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2?
Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a________?
Radioactivity of an isotope is expressed in________?
Catalyst used in alkylation process is________?