IB Biology HL A1.1.5 Solvent Properties of Water Questions

Explore how water hydrates ions and polar molecules, then connect dissolved solutes to diffusion and transport in living cells.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Relate water’s polarity and hydrogen bonding to hydration of ions or polar solutes.
  • Explain how aqueous solutions enable diffusion and transport of dissolved solutes.

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

[Maximum number: 1]

Which properties explain the ability of water to dissolve solutes?

I. Polarity of water molecules
II. High specific heat capacity of water
III. Hydrogen bonding

A

I and II only

B

I and III only

C

II and III only

D

I, II and III

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