Fill in the blanks by using the correct word/term given in the brackets.
The properties of ______ are due to the hydrogen ions it produces in aqueous solution. (acid/alkali)

Explanation

To fill in the blank in the statement "The properties of ______ are due to the hydrogen ions it produces in aqueous solution," we need to determine whether the correct term is "acid" or "alkali."

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Acid**: A substance that produces hydrogen ions (H⁺) when dissolved in water.
- **Alkali**: A type of base that dissolves in water and produces hydroxide ions (OH⁻).

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