Question 1
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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
12. Experimental techniqu...
12.4. Separation and purification

Identify substances and assess their purity using melting point and boiling point information

10. Chemistry of the envi...
10.1. Water

Describe how to test for the purity of water using melting point and boiling point

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

Describe and explain changes of state (melting, boiling, evaporating, freezing and condensing) in terms of kinetic particle theory