Question

Which is a chemical property of hydrogen?

It is a combustible gas.


It is a light gas.


It is a good conductor of electricity.


It is a colorless gas.


It has a boiling point of -252.87 °C

Need help please, just answer If u can

Answer 1

Can you pick more than one choice?

Answer 2

no just one choice,

Answer 3

Okay, so do you know what a combustible gas is?

Answer 4

nah not really, i dont know the answer which is why im asking lol

Answer 5

Well, a combustible is anything that has oxygen in it.
Does Hydrogen have oxygen in it?

Answer 6

No it does not

Answer 7

Good work.
Now, is Hydrogen a light gas?

Answer 8

uh no?

Answer 9

Well, maybe. Let's keep an arrow in that one.
Now, is hydrogen ALWAYS under pressure.

Answer 10

?* instead of a period.

Answer 11

uh no. i dont think so

Answer 12

Good work!

Answer 13

Is Hydrogen a colorless gas?

Answer 14

yes?

Answer 15

Good, last one.
Does it boil at 2,thousan- whatever it says

Answer 16

Or does it ignite as soon as it hits oxygen?

Answer 17

no not at negative.

Answer 18

Nice.

Answer 19

It is a light gas.
(Lighter than air)
It is a colorless gas.
(Different types of hydrogen, and the other ones have color, so it makes this one incorrect.)

Answer 20

Green is correct.
Red is wrong.

Answer 21

Thank you

Answer 22

You're welcome!

Answer 23

Politely disagree with the previous response. It is asking for a *chemical* property of hydrogen gas.

Being a light gas (low density, low MW) is a physical property.

To observe a chemical property, the substance must undergo a chemical change/chemical reaction. Combustion (burning) is the only chemical change in the list. Combustible doesn’t mean “contains oxygen” it means “able to be burned”.

Answer 24

O.ok so then whats the answer?