Question
Question: Which of the following examples is not correctly matched?...
Which of the following examples is not correctly matched?
A
Two metals which are extracted by electrolysis of their fused slats – Na, Al
B
Two metals used for reduction – Al, Mg
C
Two metals which occur in native state – Au, Pt
D
Two metals which can occur in combined and native state both – Zn, Fe
Answer
Two metals which can occur in combined and native state both – Zn, Fe
Explanation
Solution
Zn and Fe occur only in combined state. Cu and Ag occur in both native and combined state.