Correct answer
B. Both A. & B.
Explanation
The correct answer is Both A. & B..
The emf of a Deniell cell “Zn | Zn2+ || Cu2+ | Cu” can be increased by________?
The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is________?
Which of the following is used as a solvent in deasphalting of petroleum products?
Apex angle of conical heads used in the bottom heads of chemical process equipments is usually________?
Tolerable limit of nitrogen oxides in air is ________ ppm?
The rolling process cannot be used to produce________?