Advertisements
Advertisements
प्रश्न
Fill in the blank
Liquids have a definite ______
Advertisements
उत्तर
Liquids have a definite Volume.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
Name a non-metal which is a good conductor of electricity.
Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond
Draw a flow-chart for the schematic representation of different types of matter.
Which one of the following is not a metalloid ?
What happens when the temperature of a saturated sugar solution is increased ?
How will you differentiate between a suspension and a colloid ?
What is a suspension ? Give two examples of suspensions.
What is the difference between colloids and suspensions ?
Naphthalene can be separated from sand :
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
Wipe the board with a duster and then tap the duster against the table. What do you see?
Rusting of an article made up of iron is called
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water.
Complete the following table:
| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
Higher the temperature, the higher the kinetic energy of particles.
