Consider the three states of water: ice, liquid water, and steam. Arrange them in increasing order of (a) kinetic energy of particles and (b) intermolecular forces of attraction.
BiologyClass 9CBSEAnswered 12 May 2026
Answer
(a) Increasing order of kinetic energy of particles: Ice < Liquid water < Steam. Justification: Kinetic energy is directly related to temperature and the freedom of particle movement. Particles in steam (gas) have the highest kinetic energy and move most freely, followed by liquid water, and then ice (solid) where particles only vibrate.
(b) Increasing order of intermolecular forces of attraction: Steam < Liquid water < Ice. Justification: Stronger intermolecular forces hold particles closer together. In ice (solid), forces are strongest, followed by liquid water, and then steam (gas) where forces are weakest and negligible.
Suggested Q&A
Biology · Class 9- BiologyClass 9A boy runs along a circular track of radius 7 meters. If he completes one full round in 22 seconds, calculate his average speed and the magnitude of his average velocity for this round.
- BiologyClass 9What is the function of stomata in the epidermis of plant leaves?
- BiologyClass 9Describe the general characteristics of connective tissues that set them apart from other animal tissues.
- BiologyClass 9Distinguish between primary growth and secondary growth in plants, indicating which meristems are responsible for each.
- BiologyClass 9What is the role of intercalated discs in cardiac muscle tissue?
- BiologyClass 9Enlist the major types of cells found in blood and their specific functions.