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प्रश्न
The state of matter which has no definite shape or volume is called
पर्याय
solid
liquid
gas
water
उत्तर
gas
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संबंधित प्रश्न
Name one property which is shown by ammonium chloride but not by sodium chloride.
Define the term 'latent heat of vaporisation' of a liquid. What is the value of the latent heat of vaporisation of water ?
What are the two ways in which the physical states of matter can be changed ?
When water is heated to a temperature x, it gets converted into steam at temperature x by a process called R. And when steam at temperature x is cooled, it gets reconverted into water at the same temperature x by a process called S.
- How much is the value of x in Kelvin ?
- What is the process R called ?
- What is the name of the energy absorbed during the process R ?
- What is process S known as ?
- What is the name of energy released during the process S known as ?\\
Define the following terms: Vaporisation
Differentiate between: Solidification and condensation
Differentiate between: Miscible and immiscible liquids.
State the property of the following substance.
Lead chloride reacts with barium sulphate to give a white precipitate of lead sulphate.
What will happen if....? And why?
A knife is made of wood.
Prepare a model to demonstrate movement of particles in solids, liquids and gases.
For making this model you will need
- A transparent jar
- A big rubber balloon or piece of stretchable rubber sheet
- A string
- Few chickpeas or black gram or dry green peas.
How to make?
- Put the seeds in the jar.
- Sew the string to the centre of the rubber sheet and put some tape to keep it tied securely.
- Stretch and tie the rubber sheet on the mouth of the jar.
- Your model is ready. Now run your fingers up and down the string by first tugging at it slowly and then rapidly.
