Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Lead sulfate is the white solid that forms on corroded battery terminals.

Answer: What is the white solid that forms on corroded battery terminals?

Question: If an air mass forms over an ocean it is called a maritime air mass.

Answer: If an air mass forms over an ocean it is called what type of air mass?

Question: A heterogeneous mixture of particles of one substance distributed throughout a second substance in a different phase is known as suspension.

Answer:
A heterogeneous mixture of particles of one substance distributed throughout a second substance in a different phase is known as what?