Question 19
Question 19 of 40
Question image for Q19
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
1. States of matter
1.1. Solids, liquids and gases

Describe the effects of temperature and pressure on the volume of a gas

2. Atoms, elements and co...
2.5. Simple molecules and covalent...

State that a covalent bond is formed when a pair of electrons is shared between two atoms leading to noble gas electronic configurations

11. Organic chemistry
11.6. Alcohols

State the uses of ethanol as: (a) a solvent (b) a fuel