3675Chemical EngineeringMedium
Which of the following is not a weightless pollutant?
ANoise pollution
BSPM
CRadioactive rays
DThermal pollution
Correct answer
B. SPM
Explanation
The correct answer is SPM.
Correct answer
B. SPM
Explanation
The correct answer is SPM.
Steel balls for ball bearings are generally made of ________ steel?
Le-Blanc process is a primitive process for the manufacture of________?
Mercaptans are added to liquefied petroleum gas (LPG) to ________?
Pick out the wrong statement?
Low temperature oxidation of coal is accelerated by the________?
After throttling, gas temperature________?