Advertisements
Advertisements
प्रश्न
Classify the following into solutions, suspensions and colloids :
Soda-water, Milk, Brine, Blood, Ink, Smoke in air, Chalk water mixture, Milk of Magnesia, Shaving cream, Muddy river water.
Advertisements
उत्तर
Solutions – Brine
Suspensions – Chalk water mixture, milk of magnesia, Muddy river water
Colloids – Milk, blood, ink, shaving cream, smoke in air, soda water
APPEARS IN
संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Define the term matter. What is it composed of?
Liquids have definite shape and definite volume.
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Classify the following into elements, compounds and mixtures:
- Sodium
- Soil
- Sugar solution
- Silver
- Calcium carbonate
- Tin
- Silicon
- Coal
- Air
- Soap
- Methane
- Carbon dioxide
- Blood
Describe in your own words, what happens to the particles when salt dissolves in water.
Honey is more viscous than water. Can you suggest why?
Name a metal which is yellow in colour.
Define the emulsion. Give one example.
Milk of Magnesia is :
Which of the following represents the solubility of sugar in water at 20°C ?
Name the process you would use to separate a mixture of water and alcohol.
Explain how, nitrogen , oxygen and argon gases are separated from air.
What's the solution?
We need to rub salt on a corncob, but only salt crystals are available.
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
Which among the following ______ will get attracted to by magnet?
Justify your answer.
| Figure 1 | Figure 2 | Figure 3 |
 |
 |
 |
The arrangement of particles in three different phases of matter is shown above.
- Which state is represented by Fig. 1?
- In which state will the inter-particle attraction be maximum?
- Which one of them cannot be contained in an open vessel?
- Which one can take the shape of its container?
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Atoms are tiny particles that repel each other when they are squeezed very close.
