What type of changes are called periodic changes?

Tornado can be called a periodic change.

What type of change is involved in tautomerism ?

Give a reason why Change of seasons is a periodic change while change of weather is a non-periodic change

Temporary and reverisble changes are called ……….. Changes

Which of the following is a natural, non-periodic change?

Occurrence of an earthquake is a periodic change.

Why is melting of ice called a physical change?

What is an endothermic change?

When chlorine is involved in bleaching, what is the type of chemical reaction that changes the coloured compound to a colourless one ?

Differentiate between Periodic and non-periodic changes