State five physical properties of hydrogen gas.Describe your observati

1.	State five physical properties of hydrogen gas.Describe your observations when :(a) a mixture of hydrogen and air is exposed tocandle flame.(b) hydrogen burns in air.
Answer» PHYSICAL PROPERTIES of Hydrogen: 1) It is Odorless. 2) It is tasteless. 3) It is Colourless. 4) It is highly combustible. 5) It is non- metallic. a) When hydrogen and air is exposed to candle flame then the hydrogen will burn, that is, it is combustible. b) When hydrogen BURNS in the air, it reacts with oxygen present in atmosphere to form water molecule, that is, H2O.

State five physical properties of hydrogen gas.Describe your observations when :(a) a mixture of hydrogen and air is exposed tocandle flame.(b) hydrogen burns in air.

Answer»

1) It is Odorless.

2) It is tasteless.

3) It is Colourless.

4) It is highly combustible.

5) It is non- metallic.

a) When hydrogen and air is exposed to candle flame then the hydrogen will burn, that is, it is combustible.

b) When hydrogen BURNS in the air, it reacts with oxygen present in atmosphere to form water molecule, that is, H2O.