English

When an Incense Stick (Agarbatti) is Lighted in One Corner of a Room, Its Fragrance Quickly Spreads in the Entire Room. Name

Advertisements
Advertisements

Question

When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.

Short/Brief Note
Advertisements

Solution

Diffusion is the process by which the smell of a lighted incense stick spreads in the entire room.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Matter in Our Surroundings - Very Short Answers [Page 19]

APPEARS IN

Lakhmir Singh Chemistry Part 2 [English] Class 9
Chapter 1 Matter in Our Surroundings
Very Short Answers | Q 41.1 | Page 19

RELATED QUESTIONS

Give a reason for the following observation. 

We can get the smell of perfume sitting several metres away.


Arrange the following substances in increasing order of forces of attraction between particles -

water, sugar, oxygen


Which of the two diffuses faster : a liquid or a gas?


A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behaviour of perfume vapours.


Fill in the following blank with suitable words :

At room temperature, the forces of attraction between the particles of solid substances are ....................... then those which exist in the gaseous state.


State two characteristic properties of a gas.


What does the diffusion of gases tell us about their particles?


When a gas jar full of air is placed upside down on a gas jar full of bromine  vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :


Look at the diagram on the right side. Jar A contains a red-brown gas whereas jar B contains a colourless gas. The two gas jars are separated by a galas plate placed between them

  1. What will happen when the glass plate between the two jars is pulled away?
  2. What name is given to the phenomenon which takes place?
  3. Name the brown gas which could be in jar A.
  4. Which is the colourless gas most likely to be present in jar B?
  5. Name one coloured solid and one colourless liquid which can show the same phenomenon.


Comment upon the following:-

filling a gas container


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×