Which of the following pair of elements cannot form an alloy ?
Which of the following metals are extracted by the electrolysis of their molten chlorides? (a) Na and Hg (b) Hg and Mg (c) Na and Mg (d) Cu and Fe
Which of the following pair of metals exists in their native state in nature? (a) Ag and Hg (b) Ag and Zn (c) Au and Hg (d) Au and Ag