Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

Existe combustión sin llama cuando...Combustion without flame occurs when:

Show the answer

Correct answer: a) The chain-reaction phase is missing.

Why it is correct

Without the chain reaction there are embers but no flame. Without oxygen there is no combustion.

Why the others are not

  • b) Nothing burns.
  • c) Not that.
  • d) It exists.

How to work it out in the exam

  1. Embers: no chain reaction.

Where this question comes from

Regulations

Try it: Emergencies

Pending instructor review. Machine translation, not reviewed.