JAMB - Chemistry (2023 - No. 75)
Which of the following is a characteristic property of acids?
Turn litmus paper blue
Bitter taste
pH value above 7
React with metals to produce hydrogen gas
Explicação
Acids are substances that can donate protons (H+) in aqueous solutions. When acids react with certain metals, they can release hydrogen gas (H2) as one of the products. This is a common behavior of many acids and can be used to distinguish them from other substances.