Is sugar generally a disaccharide?

Yes, “sugar” generally refers to a disaccharide, especially sucrose, in everyday usage. However, scientifically, the term “sugar” can include both monosaccharides and disaccharides.

Explanation:

• In common language, “sugar” usually means table sugar (sucrose)
• Sucrose is a disaccharide made of glucose and fructose

Scientific Classification:

• Monosaccharides: glucose, fructose
• Disaccharides: sucrose, lactose, maltose

Key Point:

• The term “sugar” is broader in science than in daily usage
• Not all sugars are disaccharides, but common dietary sugar is

Conclusion:
Sugar is generally considered a disaccharide in everyday context, but scientifically it includes both simple sugars like monosaccharides and disaccharides.