The following salts will produce a gas on reacting with hydrochloric acid except? by Sunday | Aug 22 | Chemistry WAEC | 0 comments A. CuSO4 B. CaCO3 C. FeS D. Na2SO3 E. K2CO3 Correct Answer: Option A – CuSO4 Users Also Read These:If 20 cm³ of distilled water is added to 80 cm³ of…Which of the following substances will not produce…A solution which on treatment with hydrochloric acid…The rate of production of hydrogen gas from the…The acid anhydride that will produce weak acid in water is?