1524Chemical EngineeringMedium
The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ________ gm?
A1/8
B1/2
C1/16
D1/4
Correct answer
C. 1/16
Explanation
The correct answer is 1/16.
Correct answer
C. 1/16
Explanation
The correct answer is 1/16.
Concentration of hydrogen peroxide is done by________?
In electrical resistance welding, distortion results from the use of improper________?
P2O5 percentage in the phosphoric acid produced by wet process is about________?
L.D. (Linz-Donawitz) converter is used in the production of________?
Blow off cock is provided in steam boiler to ________?
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the ________ is the controlling resistance?