1. It is colourless, tasteless and odourless gas.
2. It is insoluble in water
3. It has no effect on litmus paper
4. It is the lightest known as
5. It has very low boiling point of -253°c.
1. It is colourless, tasteless and odourless gas.
2. It is insoluble in water
3. It has no effect on litmus paper
4. It is the lightest known as
5. It has very low boiling point of -253°c.