Table sugar is

Options

A. Lactose
B. Trehalose
C. Sucrose
D. Fructose

Answer

To determine what table sugar is, we can analyze the options provided:

1. **Understanding Table Sugar**:
- Table sugar is commonly known as the sugar we use in our daily lives for sweetening food and beverages.

2. **Identifying the Options**:
- Option A: Lactose
- Option B: Trehalose
- Option C: Sucrose
- Option D: Fructose

3. **Analyzing Each Option**:
- **Lactose**: This is a disaccharide sugar composed of glucose and galactose, commonly found in milk.
- **Trehalose**: This is a disaccharide made up of two glucose molecules, found in some fungi and invertebrates.
- **Sucrose**: This is a disaccharide composed of glucose and fructose. It is the chemical name for table sugar.
- **Fructose**: This is a monosaccharide, a simple sugar found in many plants.

4. **Conclusion**:
- Since table sugar is scientifically known as sucrose, which is formed from the combination of glucose and fructose, the correct answer is **Option C: Sucrose**.

### Step-by-Step Solution:
1. Identify the common name for table sugar.
2. Review the options provided.
3. Analyze the structure and composition of each option.
4. Conclude that table sugar is sucrose, which is a disaccharide made from glucose and fructose.