Q.1
What does the hydrogen turn into at the anode
  • proton
  • H2+
  • H2-
  • H-
Q.2
Atomic number of hydrogen is
  • 1
  • 2
  • 3
  • 4
Q.3
Only one element of...........forms hydride:
  • Group 6
  • group 7
  • group 8
  • group 9
Q.4
Hydrogen is colors less and
  • Combustible
  • non combustible
  • supports combustion
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