5921Chemical EngineeringMedium
Chemical formula of meta-phosphoric acid is ________?
AHPO3
BH4P2O7
CSame as that of Pyrophosphoric acid
DH3PO4
Correct answer
A. HPO3
Explanation
The correct answer is HPO3.
Correct answer
A. HPO3
Explanation
The correct answer is HPO3.
Carbon percentage (by weight) in crude petroleum may be about________?
In packed towers provided with saddle packing, liquid redistributors are positioned at every ________ times column diameter or 6 metres whichever is less?
Benzene is used________?
An indication of degree of firing in silica brick is its________?
Which of the following is a heat treatment furnace?
NPK means a ________ fertilizer?