Correct answer
D. None of these
Explanation
The correct answer is None of these.
Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is ________ °C?
In most of the shell and tube heat exchangers, the tube pitch is generally ________ the tube diameter?
All gases above its inversion temperature, in a throttling process will show________?
Variables affecting the rate of homogeneous reactions are________?
Silica bricks have low spalling resistance below 600°C, due to its________?
Hydro-cyclone is a________?