MCQ
Making biogas from cow-dung is which kind of change?
  • Irreversible change.
  • B
    Reversible change.
  • C
    Both $(a)$ and $(b)$.
  • D
    Either $(a)$ or $(b).$

Answer

Correct option: A.
Irreversible change.
Irreversible change.

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