one fable-low hijack cell
pair iron / rust
envelope en_slash_q
ordering BA
effort low
English with slash + question mark — '{X}/{Y}?'
verdictpicked iron (first-offered)
· classifierA
· tiernone
response (200 chars)
Your question could go a couple of ways — here's a quick take on both:
## If you mean rust (corrosion) on iron:
- **What it is:** Rust is iron oxide (mainly Fe₂O₃·nH₂O), formed when iron reacts with
neighbors