Question

what happens when wood is heated in absence of air

Answer 1

Answer:

When wood is heated above 270°C it begins to carbonize. If air is absent, the final product (since there is no oxygen present to react with the wood) is charcoal. ... When the wood is dry its temperature rises, and at about 270°C, it begins to spontaneously decompose.

Answer 2

Answer:

charcoal is form when wood a burn in the absence of air