Question

(1) There are droplets of water on the outer surface of a cold water bottle​

Answer 1

Answer:

because to keep water cooler from inner side so we are able to see water droplets on outer surface of water bottle .

Thank-you

Answer 2

Answer:

it is because of the water vapours in the air, when it collides with the cold bottle the water vapours cool down because they were hot before and when it cools down the water vapours turn into water