DP Biology (first assessment 2025)

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Question 19M.1A.SL.TZ2.6

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ2.6
Level SL Paper 1A Time zone TZ2
Command term Identify Question number 6 Adapted from N/A
6.
[Maximum mark: 1]
19M.1A.SL.TZ2.6

Where do hydrogen bonds form?

A. Between the slight negative charge of hydrogen and slight positive charge of oxygen within a water molecule

B. Between the slight positive charge of hydrogen and slight negative charge of oxygen within a water molecule

C. Between the slight positive charge of hydrogen and slight negative charge of oxygen in different water molecules

D. Between the slight negative charge of hydrogen and slight positive charge of oxygen in different water molecules

[1]

Markscheme

C

Examiners report

Many candidates realized that hydrogen bonds are formed with other water molecules, not within the molecules themselves.

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