5640Chemical EngineeringMedium
The half life period of a radioactive element depends upon the________?
APressure
BNone of these
CAmount of element present
DTemperature
Correct answer
B. None of these
Explanation
The correct answer is None of these.
Correct answer
B. None of these
Explanation
The correct answer is None of these.
Pick out the wrong statement?
High temperature carbonisation of coal takes place at ________ °C?
The specific speed of a pump is defined as the speed of a unit of such a size, that it________?
Low grade coal is ________ to produce ammonia synthesis gas?
In calcium ammonium nitrate (CAN) fertilizer ________?
The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________?