(A) Vacume
(B) Hydrogen Gas
(C) Water
(D) Steel
[showhide type=”post” more_text=”â–ºCorrect Option” less_text=”Show less…”]
Correct Option is: A
[/showhide]
(A) Vacume
(B) Hydrogen Gas
(C) Water
(D) Steel
[showhide type=”post” more_text=”â–ºCorrect Option” less_text=”Show less…”]
Correct Option is: A
[/showhide]