Chapter 1 • Class 9 Chemistry
Matter in Our Surroundings
Class 9 Chemistry Matter in Our Surroundings: states of matter, change of state, latent heat and evaporation with diagrams, solved numericals and online tests on Vidaara.
Study by topic — one focused page each
1
States of Matter & their Properties
Look around you. The chair you sit on, the water you drink, the air you breathe all of these are matter . Matter is anything that has mass and occupie…
Start this topic → 2Change of State & Latent Heat
Ice, water and steam are all the same substance H 2 O in three different states. Matter can change from one state to another, and the two factors that…
Start this topic → 3Evaporation & Factors Affecting It
Hang out wet clothes and they dry, even on a day far cooler than 100 C. A puddle on the road vanishes by afternoon. Both happen because of evaporation…
Start this topic →Chapter-wide tests
Online Test
18 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
40 marks • 90 min • with answer key