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Question 18M.1.SL.TZ1.7

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ1.7
Level SL Paper 1 Time zone TZ1
Command term Question number 7 Adapted from N/A
7.
[Maximum mark: 1]
18M.1.SL.TZ1.7

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?

A. Cohesion

B. Hydrophobic interactions

C. Solvent properties

D. Thermal properties

[1]

Markscheme

C

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