IB Biology SL A1.1.5 Solvent Properties of Water Questions

Explore how water hydrates ions and polar molecules, while aqueous solutions support diffusion, transport and metabolic reactions in living cells.

Exam points

Explain how hydrogen bonding hydrates dissolved ions and polar molecules in water.
Relate aqueous solutions to diffusion and transport of solutes in biological processes.

[Maximum number: 1]

Researchers have developed a skin patch which can detect and measure very small concentrations of ions, sugars, amino acids, proteins and hormones which remain when sweat evaporates. What allows the presence of these substances in sweat?

Cohesion

Hydrophobic interactions

Solvent properties

Thermal properties

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IB Biology SL A1.1.5 Solvent Properties of Water Questions question 1