1.) Actually the gases are more or less colourless and odourless but oxygen is the only gas which is colourless and odourless neutral gas that supports combustion and we know that combustion is a chemical process where a substance reacts with oxygen..
Hydrogen is the lightest gas in the world.
Hydrogen is a chemical element.
It is the first element in the periodic table which is also the lightest.
It is found most abundantly in the universe.
Most of the mass of the stars and the Sun is made up of hydrogen
Answers & Comments
Answer:
1) True
2)True
3)True
4)True
5) True
6)True
7) False
Verified answer
Answer:
1.True
2.True
3.True
4.True
5.True
6.False
Explanation:
1.) Actually the gases are more or less colourless and odourless but oxygen is the only gas which is colourless and odourless neutral gas that supports combustion and we know that combustion is a chemical process where a substance reacts with oxygen..
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