Which one of the following is the most abundant element in the universe?

  • A
    Nitrogen
  • B
    Hydrogen
  • C
    Oxygen
  • D
    Silicon

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Similar Questions

During the electrolysis of fused calcium hydride $(CaH_2)$,where is hydrogen produced?

Which of the following acids possesses oxidising,reducing,and complex-forming properties?

Match the correct option from Column-$A$ and Column-$B$.
Column-$A$ Column-$B$
$(1)$ Ionic hydride $(p)$ $BeH_2$
$(2)$ Interstitial hydride $(q)$ $TiH$
$(3)$ Electron-precise hydride $(r)$ $CH_4$
$(4)$ Electron-rich hydride $(s)$ $H_2O$
$(t)$ $B_2H_6$

Deuterium resembles hydrogen in properties but:

Hydrogen readily combines with metals and thus shows its

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