Question 20
Question 20 of 40
Question image for Q20
Periodic Table
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
2. Atoms, elements and co...
2.1. Elements, compounds and mixtur...

Describe the differences between elements, compounds and mixtures

1. States of matter
1.1. Solids, liquids and gases

Describe and explain, in terms of kinetic particle theory, the effects of temperature and pressure on the volume of a gas