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प्रश्न
Which of the following statements is INCORRECT?
विकल्प
Dihydrogen in used in the manufacture of vanaspati ghee.
A mixture of liquid hydrogen and liquid oxygen is used as rocket fuel.
Dihydrogen is used in the manufacture of ammonia by Haber's process.
Liquid hydrogen is used for cutting and welding purposes.
MCQ
उत्तर
Liquid hydrogen is used for cutting and welding purposes.
shaalaa.com
Hydrogen
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