Hydrogen

Hydrogen's symbol is:

• H

• Hy

• Hd

• Ho

Atomic no.of Hydrogen is

• 1

• 2

• 3

• 4

During electrolysis of water , hydrogen is collected at

• anode

• cathode

• positive electrode

During electrolysis of water oxygen is collected at

• anode

• cathode

• none

Hydrogen has a (a)   structure

Hint: H₂

Hydrogen is odorless, colorless and tasteless gas

• True

• False

When hydrogen reacts with nitrogen forms:

N₂ + H₂ =

• Ammonium HN₃

• Water H₂O

• Ammonia NH₃

• Nitrogen oxide NO

___________ is the radioactive isotope of Hydrogen

• Deuterium

• Tritium

Deuterium has 1 proton 1 electron and 1 neutron

• True

• False

Which reaction shows preparation of Hyderogen from active metals and water:

• Na + H₂O = NaOH

• Li + OH =LiOH

• H + O = HO

• K + H₂O = KOH + H₂