Hydrogen is used in oxy-hydrogen flames for melting metals because it

CHEMISTRY
JAMB 1999

Hydrogen is used in oxy-hydrogen flames for melting metals because it

  • A. evolves a lot of heat when burnt
  • B. combines explosively with oxygen
  • C. is a very light gas
  • D. is a rocket fuel

Correct Answer: A. evolves a lot of heat when burnt



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