Advertisements
Advertisements
प्रश्न
When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
Advertisements
उत्तर
The absence of increase in volume of water on dissolution of sugar into it, describes the following characteristics of matter:
- Matter is made up of very, very small particles.
- Particles of matter have spaces between them.
APPEARS IN
संबंधित प्रश्न
Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.
What are the characteristics of particles of matter?
Give reasons:
A gas can fill the whole vessel in which it is enclosed.
State the general properties of a solid.
Fill in the blank:
Liquids have a definite ............
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
Fill in the blank
The molecules are at a greater distance in ______ compared to liquids.
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
Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.
The property to flow is unique to fluids. Which one of the following statements is correct?
