Question

when we keep a water bottle in refregreator for 1 hour we see that water droplets outside the bottle why??

Answer 1

When water vapor in the air comes into contact with something cool, such as the outside of a cold glass of lemonade, its molecules slow down and get closer together. When that happens, the gaseous water vapor turns back into liquid water droplets. That's condensation!

Answer 2

This is because of condensation .When water vapor in the air comes into contact with something cool, such as the outside of a cold glass of lemonade, its molecules slow down and get closer together. When that happens, the gaseous water vapor turns back into liquid water droplets  ✨✨✨