17. _________ is used as a supporter of combustion in rockets and space ships.
17. _________ is used as a supporter of combustion in rockets and space ships.
The correct option is B liquid oxygen
Explanation for correct option:
(B) Liquid oxygen is used as a supporter of combustion in rockets and space ships.
Liquid oxygen is molecular oxygen in liquid form. It was employed as an oxidizer in the first liquid-fueled rocket built by Robert H. Goddard in 1926, and it is being used today. So, is used as a supporter of combustion in rockets and space ships.
Explanation for incorrect options:
(A) Liquid hydrogen is the liquid state of elemental hydrogen, It is mainly used in the primary rocket fuel for combustion with oxygen.
(C) Coke is produced by heating coal at high temperatures. This heating is called “thermal distillation” or “pyrolysis.”
(D) Liquid carbon dioxide is the liquid state of carbon dioxide. It is used for freezing and chilling food products, controlling chemical reactions, etc.
Conclusion: So, the correct option is (B).
liquid oxygen
Explanation for correct option:
(B) Liquid oxygen is used as a supporter of combustion in rockets and space ships.
Liquid oxygen is molecular oxygen in liquid form. It was employed as an oxidizer in the first liquid-fueled rocket built by Robert H. Goddard in 1926, and it is being used today. So, is used as a supporter of combustion in rockets and space ships.
Explanation for incorrect options:
(A) Liquid hydrogen is the liquid state of elemental hydrogen, It is mainly used in the primary rocket fuel for combustion with oxygen.
(C) Coke is produced by heating coal at high temperatures. This heating is called “thermal distillation” or “pyrolysis.”
(D) Liquid carbon dioxide is the liquid state of carbon dioxide. It is used for freezing and chilling food products, controlling chemical reactions, etc.
Conclusion: So, the correct option is (B).
