(a) What are the two ways in which the physical states of matter can be changed?(b) Draw the 'states of matter triangle' to show the interconversion of states of matter.(c) How can the evaporation of a liquid be made faster?

Academic Chemistry NCERT Class 9

(a) The two ways by which the physical state of the matter can be changed is either by melting or boiling.

(b) The “states of matter triangle” that demonstrate the inter-conversion of states of matter is given below:

(c) The evaporation of liquids can be made faster by:

Increasing the temperature of the liquid
Increasing the surface area of liquid
Increasing the wind speed

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Updated on: 10-Oct-2022

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