Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Input: Consider Input: Fractional crystallization is the separation of compounds on the basis of their solubilities in a given solvent.

Output: What is the separation of compounds on the basis of their solubilities in a given solvent?


Input: Consider Input: Zinc is active transition metal kind of metal.

Output: Zinc is what kind of metal.?


Input: Consider Input: The electroplating process transfers metal from the anode to cathode part of the cell.


Output: The electroplating process transfers metal from the anode to which part of the cell?