7134Chemical EngineeringMedium
75% of a radioactive element decays in 6 hours. Its half life period is ________ hours?
A3
B1/6
C4
D3/4
Correct answer
A. 3
Explanation
The correct answer is 3.
Correct answer
A. 3
Explanation
The correct answer is 3.
A pycnometer is used for the measurement of________?
For a reaction, X → Y, if the concentration of ‘X’ is tripled; the rate becomes nine times. The order of reaction is________?
In an eutectic system, two elements are completely________?
Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are________?
The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond’s law, Rittinger’s law and Kick’s law) depend upon the________?
In polytropic process (PVn = constant), if n = 1; it means a/an ________ process?