Question

Allen is carrying out reactions in a lab. One of the products in all reactions is found to be either a precipitate, a gas, or water. What is common between all these reactions? Select one of the options below as your answer:A. They are all decomposition reactions. B. They are all combination reactions. C. They are all combustion reactions. D. They are all single-replacement reactions. E. They are all double-replacement reactions.

Answer 1

I think the best answer among the choices given is option A. The reactions are all decomposition reactions because decomposition reactions can produce either a precipitate, a gas and a water in a single reaction. However, these products can also be produced by other type of reactions.