What is the chemical symbol for ice as per UNESCO terminology?

Q. What is the chemical symbol for ice as per UNESCO terminology?

1. H₈O₄
2. H₂O
3. H₆O₃
4. H₄O₂

Answer: H₂O

Ice is formed by freezing of water vapor or liquid water below 0°c.so the chemical formula of water and ice remains same i.e. H₂O