Advertisements
Advertisements
Question
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Advertisements
Solution
A bottle of perfume on opening evolves an odour because gases diffuse very easily and odour spreads over a large distance.
RELATED QUESTIONS
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
Define the following term Intermolecular force .
State two characteristics of matter demonstrated by diffusion.
A measuring cylinder is filled with water to a particular mark. A piece of solid is immersed inside the measuring cylinder. State why the level of water in the measuring cylinder will rise up. If the solid is removed, what will be the new level of the water in the measuring cylinder? Give a reason for your answer.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to shape.
Explain the term ‘interconversion of matter’ with ice as a starting material.
Fill in the blank:
The three states of matter are classified on the basis of differences of certain _________.
Complete the statement by filling the blank with the correct word given below.
When inter-particle space increases, the inter-particle attractive force _______________.
Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has the only curd. What can she do to get buttermilk? Explain
