Question 11
Question 11 of 40
Question image for Q11
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
5. Chemical energetics
5.1. Enthalpy change, \(\Delta H\)

understand that energy transfers occur during chemical reactions because of the breaking and making of chemical bonds

8. Reaction kinetics
8.2. Effect of temperature on react...

define activation energy, \( E_A \), as the minimum energy required for a collision to be effective