Which one is the sweetest sugar?

Options

A. Glucose
B. Fructose
C. Sucrose
D. Maltose

Answer

### Step-by-Step Solution:

1. **Identify the Sugars**: The question provides four types of sugars: glucose, fructose, sucrose, and maltose.

2. **Understand Sweetness**: Sweetness of sugars can be compared using a relative sweetness scale. Sucrose is often used as a reference point for sweetness.

3. **Compare the Sweetness**:
- **Fructose**: Known to be the sweetest sugar among the options provided. Its sweetness is reported to be 1.2 to 1.8 times that of sucrose.
- **Sucrose**: Common table sugar, used as a standard for sweetness.
- **Glucose**: Less sweet than sucrose.
- **Maltose**: Generally considered the least sweet among the options.

4. **Rank the Sugars by Sweetness**:
- **Most Sweet**: Fructose
- **Second Sweetest**: Sucrose
- **Third Sweetest**: Glucose and Maltose (approximately equal in sweetness, but both less sweet than sucrose)

5. **Conclusion**: The sweetest sugar among the given options is fructose.

### Final Answer:
The sweetest sugar is **fructose**.

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