Assertion (A): The fragrance of an incense stick (agarbatti) lit in one corner soon spreads all over the room. Reason (R): Gases do not have a fixed volume.

Question

Assertion-ReasonProperties of GasesDiffusion in Matter

Loading...

Similar Questions

A gas jar containing air is inverted over another containing NO₂ gas which is brown in colour and heavier than air. After some time brown colour is seen in the inverted gas jar too. Identify the phenomenon associated with this observation.

TextDiffusion in Matter

State one similarity and one difference between evaporation and boiling.

TextProperties of Solids

Properties of Liquids

Properties of Gases

Intermolecular Forces of Attraction

Intermolecular Spaces in Matter

Evaporation as a Surface Phenomenon

Factors Affecting Rate of Evaporation

Three States of Matter: Solid, Liquid and Gas

Boiling and Boiling Point

List four factors which affect the rate of evaporation.

TextProperties of SolidsProperties of LiquidsProperties of GasesIntermolecular Forces of AttractionIntermolecular Spaces in MatterEvaporation as a Surface PhenomenonFactors Affecting Rate of EvaporationThree States of Matter: Solid, Liquid and GasBoiling and Boiling Point

Describe an activity to show that water vapour is present in air.

TextProperties of SolidsProperties of LiquidsProperties of GasesIntermolecular Forces of AttractionIntermolecular Spaces in MatterEvaporation as a Surface PhenomenonFactors Affecting Rate of EvaporationThree States of Matter: Solid, Liquid and GasBoiling and Boiling Point

Distinguish solids, liquids and gases in a tabular form under the following characteristics-

CASE_STUDIESProperties of SolidsProperties of LiquidsProperties of GasesIntermolecular Forces of AttractionIntermolecular Spaces in MatterEvaporation as a Surface PhenomenonFactors Affecting Rate of EvaporationThree States of Matter: Solid, Liquid and GasBoiling and Boiling Point

Assertion (A): The rate of mixing of copper sulphate or potassium permanganate crystals is faster in hot water than in cold water. Reason (R): The increased temperature of water decreases the kinetic energy of the water molecules, leading to faster movement and quicker dissolution of the crystals.

Assertion-ReasonCharacteristics of Particles of MatterDiffusion in Matter