SPIDERLEAP
SPIDERLEAP SPIDERLEAP
  • 02-03-2018
  • Chemistry
contestada

Which of these is a combustion and synthesis reaction?

A. CH4 + 2 O2 → CO2 + 2 H2O

B. Mg + O2 → MgO

C. H2O → H2 + O2

D. CaO → Ca + O2

Respuesta :

mcknightashlyn
mcknightashlyn mcknightashlyn
  • 02-03-2018
A is the correct answer. A combustion reaction creates carbon dioxide and water. A is the only answer choice were carbon dioxide and water are made.
Answer Link
wdavidson120 wdavidson120
  • 23-07-2019

Answer:

It's B!

Explanation:

Answer Link

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