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The soluble metal salt and carbon dioxide are the substances would most likely result in the production of a solid when reacting with a base. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Metal carbonates such as calcium carbonate (chalk) react with acids to produce the gas carbon dioxide. This can be seen in the equation: The carbon dioxide produced can be tested for in the lab using limewater, which reacts with the carbon dioxide gas.