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

[Q]: Certain air pollutants form acid liquid when dissolved in water droplets in the air.
[A]: Certain air pollutants form which liquid when dissolved in water droplets in the air?

[Q]: You call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission, superconductors.
[A]: What do you call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission?

[Q]: Alleles that carry deadly diseases are usually recessive type.
[A]:
Alleles that carry deadly diseases are usually which type?