Choose the word which is different from the rest.
...In the question below, five words have been given out of which four are alike in some manner, while the fifth one is different. Choose the word which is different from the rest.
Choose the word which is different from the rest.
Potassium
Silicon
Zirconium
Gallium
Germanium
Correct answer is A
All except Potassium are metals used in semiconductor devices.