DP Chemistry (first assessment 2025)

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Question 21N.1A.SL.TZ0.2

Date	November 2021	Marks available	[Maximum mark: 1]	Reference code	21N.1A.SL.TZ0.2
Level	SL	Paper	1A	Time zone	TZ0
Command term	State	Question number	2	Adapted from	N/A

2.

[Maximum mark: 1]

21N.1A.SL.TZ0.2

Which statement describes all homogeneous mixtures?

A. Any sample has the same ratio of the components.

B. The components are covalently bonded together.

C. The components cannot be easily separated.

D. The mixture needs a specific ratio of components to form.

[1]

Markscheme

A

Syllabus sections

Structure 1. Models of the particulate nature of matter » Structure 1.1—Introduction to the particulate nature of matter » Structure 1.1.1- Elements, compounds and mixtures. Elements are the primary constituents of matter, which cannot be chemically broken down into simpler substances. Compounds consist of atoms of different elements chemically bonded together in a fixed ratio. Mixtures contain more than one element or compound in no fixed ratio, which are not chemically bonded and so can be separated by physical methods. Distinguish between the properties of elements, compounds and mixtures.