Question 14
Question 14 of 40
Question image for Q14
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
6. Chemical reactions
6.4. Redox

Identify redox reactions as reactions involving gain and loss of oxygen, or gain and loss of electrons

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
11.4. Alkanes

State that in a substitution reaction one atom or group of atoms is replaced by another atom or group of atoms