1078Chemical EngineeringMedium
From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________ ppm?
A50
B500
C5000
D5
Correct answer
D. 5
Explanation
The correct answer is 5.
Correct answer
D. 5
Explanation
The correct answer is 5.
Polyvinyl chloride containers are not suitable for storing________?
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is ________?
Cpμ/K is termed as the ________ number?
Hard water________?
Pressure differential maintained across a continuous rotary vacuum filter is in the range of ________ mm Hg column?
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an ________ reaction?