In which one of the following situations a chemical reaction does not occur?

In which one of the following situations a chemical reaction does not occur?
  1. Milk is left open at room temperature during summer
  2. Grapes get fermented
  3. An iron nail is left exposed to humid atmosphere
  4. Melting of glaciers

Solution

Melting of glaciers

Asked in: CBSE

Practice more METALS AND NON-METALS questions on Aicharya