Physical & Chemical Changes

Physical and Chemical Changes Worksheet-4

1. In a pressure-kerosene stove

(I) We pump kerosene and convert it into vapours.

(II) The vapours are then ignited.

Which of the following is true about the above statements?

(a) (I) is a chemical change; (II) is a physical change

(b) (I) is a physical change; (II) is a chemical change

(c) (I) and (II) both are physical changes

(d) (I) and (II) both are chemical changes