Chemistry
Grade-8
Easy
Question
The hydrogen can be liquifies only at _____oC and ____ atm pressure.
- -240oC and 20 atm
- -270oC and 20 atm
- -240oC oC and 40 atm
- -260oC oC and 60 atm
Hint:
general properties of hydrogen.
The correct answer is: -240oC and 20 atm
The hydrogen can be liquifies only at -240oC and 40atm pressure.
this is the experimental value.
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