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Pure maple syrup has a high sugar content. Its composition is [tex]70 \%[/tex] sucrose [tex]\left(C_{12}H_{22}O_{11}\right)[/tex]. If you heat maple syrup, what will happen to its viscosity?

A. It will decrease.
B. It will increase.
C. It will have no effect.
D. It will separate the sugar from the other ingredients.

Sagot :

When considering the effect of heating on the viscosity of pure maple syrup, it is important to understand the nature of viscosity and how temperature influences it.

Viscosity is a measure of a fluid's resistance to flow. Higher viscosity means the fluid flows more slowly or with more difficulty, while lower viscosity means it flows more easily.

When you heat a liquid:
1. The molecules within the liquid acquire more kinetic energy.
2. This increase in energy causes the molecules to move more vigorously.
3. As a result, the internal friction within the liquid decreases.
4. Consequently, the liquid becomes less resistant to flow.

For maple syrup specifically, which has a high sugar content and is quite viscous at room temperature, heating it will:
- Increase the kinetic energy of the syrup's molecules.
- Decrease the internal molecular interactions and resistance to flow.

Therefore, heating maple syrup decreases its viscosity, making it flow more easily.

Hence, the correct answer is:

It will decrease.