Hydrogen And Its Compounds Question 185

Question: Hydrogen directly combines with

[Roorkee Entrance 1990]

Options:

A) Au

B) Cu

C) Ni

D) Ca

Show Answer

Answer:

Correct Answer: D

Solution:

$ H_2 $ does not react with Au, Cu or Ni with Ca it gives $ CaH_2 $ . $ Ca+H_2\to CaH_2 $

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