Correct answer
C. Both A & B
Explanation
The correct answer is Both A & B.
Phenol is mainly used________?
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference?
Oxidation of ortho-xylene in presence of ________ catalyst is done to produce phthalic anhydride on commercial scale?
Polyvinyl chloride (PVC) ________?
In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas)?
With increase in carbide/graphite ratio in cast iron, its________?