MCQ
Read the given statements and select the correct option.
Statement 1: Phosphorus burns in air at room temperature.
Statement 2: It is an example of spontaneous combustion.
  • A
    Both statements $1$ and $2$ are true and statement $2$ is the correct explanation of statement $1$.
  • Both statements $1$ and $2$ are true but statement $2$ is not the correct explanation of statement $1$.
  • C
    Statement $1$ is true and statement $2$ is false.
  • D
    Both statements $1$ and $2$ are false.

Answer

Correct option: B.
Both statements $1$ and $2$ are true but statement $2$ is not the correct explanation of statement $1$.
Phosphorous has a very low ignition temperature (lower than the room temperature) so, it burns rapidly in air at room temperature producing heat and light.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free