Advertisements
Advertisements
Question
Fill in the blank
When a gas is cooled, its molecules ________ energy,
Advertisements
Solution
When a gas is cooled, its molecules loose energy,
APPEARS IN
RELATED QUESTIONS
Give reasons:
A gas can fill the whole vessel in which it is enclosed.
Give reason for the following.
Pure substances have fixed melting or boiling points.
Define the following term.
Element
Give reason:
A drop of ink added to water in a glass turns whole water blue.
Give reason Liquids can flow easily
Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
On what basis are the three states classified of matter.
Explain the term ‘interconversion of matter’ with ice as a starting material.
The property to flow is unique to fluids. Which one of the following statements is correct?
