Which of the following materials will react with an acid to produce a gas? A) Al(s) B) Na₂CO₃(aq) C) both a and b D) neither a nor b

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Both aluminum (Al) and sodium bicarbonate (NaHCO3) will react with an acid to produce a gas. Al will react with hydrochloric acid (HCl) to produce hydrogen gas (H2) and aluminum chloride (AlCl3) while NaHCO3 will react with HCl to produce carbon dioxide (CO2), water (H2O), and sodium chloride (NaCl).

Which of the Following Materials Will React with an Acid