Question

A list of changes is given below. Identify their type and choose correct option. Boiling of egg. Making curd from milk Flowering of bud Making flour from grain
A) (i), (ii), (iii) and (iv) are irreversible changes B) and (iv) are chemical changes C) (i), (ii), and (iv) are natural changes D) (ii), (iii) and (iv) are periodic changes

Answer 1

A) 1,2,3,4 are irreversible changes .As you can't reverse the processes