A balloon when kept in the sun,burst after sometime . Why ?

Some quantity of yellow coloured powerd was kept in the sunlight for sometime. It was changed into gray colour. Guess the name power and the reaction.

Why is ester hydrolysis slow iin the beginning but is fast after sometime ?

Spread a piece of wet cloth in the sunlight observe after sometime where has the water in the wet cloth gone the water evaporates into the atmosphere due to the heat of the sun when we want to dry clothes quickly we wave them about or keep them under a fan how are clouds formed?

On placing an inverted tumbler over a burning candle, the flame extinguishers after sometime. This is because of non-availability of ___

Concentrated hydrochloric acid when kept in open air sometimes produces a could of white fumes. The explanation for it is that

If we add some table salt to water taken in a glass tumbler and stir with a spoon, we find no salt after sometime. Does the level of water change ? If not, why not ?

Raju got angry at Bharathi. But the anger decreased after sometimes. What would be the reason?

A balloon filled with acetylene is kept in a vessel of hydrogen at the same temperature and pressure. If the balloon is punctured with a pin, it