What happens while it goes from glass to air ?

What about from glass to air ?

What happens when Magnesium is burnt in air.

Is the angle of refraction greater or lower than the angle of incidence when it goes from air to glass ?

Can you describe What happens when milk is converted into curd or yoghurt, from your understanding of proteins?

What happens when Na is dropped in water

Sodium is highly reactive metal. The free metal does not occur in nature, but must be prepared from compounds. What happens when sodium metal is heated in free supply of air?

What is the critical angle of glass?

What happens when (i) sodium metal is dropped in water (ii) sodium metal is heated in free supply of air (iii) sodium peroxide dissolves in water.

What happens to the white powder on heating?