The insoluble reactant chosen depends upon the particular salt required. Hydrogen is collected in a test tube during the reaction between magnesium and hydrochloric acid. Describe the laboratory ...

Some metals react with acids and when they do the products are hydrogen gas and a solution of the salt. A salt is a type of compound which is made when an acid reacts with certain metals.

THE discovery of this remarkable compound of hydrogen and nitrogen ... together with its acid character, by virtue of which it forms salts with metals containing only metal and nitrogen—mark ...

In the conventional method, formic acid is first produced from carbon dioxide and hydrogen as a stable "formate salt" under ...