What happens to sulphur on burning it in air?

Wet clothes dry after sometime – where does the water go? What happens to magnesium on burning it in air?

What happens to air on heating it?

What happens to air on cooling it?

What happens in systole?

What happens. when a burning candle bring near to the hydrogen gas ?

What happens when you burn camphor?

What happens in asexual reproduction ?

What happens when sulphuric acid reacts with pieces of marbles?

What happens when : Dilute sulphuric acid is poured on a copper plate ?

What happens when (i) Magnesium is burnt in air?