Which products are formed when aluminum is added to a silver chloride solution?

none
only alcl3
alcl3 and ag
alag3 and cl2

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium