Question 25
Question 25 of 40
Question image for Q25
Periodic Table
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
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
9. Metals
9.3. Alloys and their properties

State that alloys can be harder and stronger than the pure metals and are more useful

8. The Periodic Table
8.4. Transition elements

Describe transition elements as having ions with variable oxidation numbers, including iron(II) and iron(III)