The cane sugar (sucrose) is a ............ sugar, while maltose, a ..................... sugar.

Explanation

To answer the question regarding the classification of sucrose and maltose, we can break it down step by step:

1. **Identify the sugars**: The question mentions two types of sugars: cane sugar (sucrose) and maltose.

2. **Understand the nature of sucrose**: Sucrose, commonly known as cane sugar, is classified as a non-reducing sugar. This classification is due to the absence of free aldehyde or ketone groups in its structure.

3. **Understand the nature of maltose**: Maltose, also known as malt sugar, is classified as a reducing sugar. This is because it contains a free aldehyde group that can participate in redox reactions.

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