Advertisements
Advertisements
प्रश्न
Explain what happens when a beam of light is passed through a colloidal solution.
Advertisements
उत्तर
Colloidal solution is a heterogeneous mixture in which particle size is intermediate of true solution and suspension, i.e., between 1 nm to 100 nm.
When a beam of light is passed through a colloidal solution, the particles of the solution get illuminated and become visible. This is because colloidal particles scatter the light falling on them.
APPEARS IN
संबंधित प्रश्न
Name the terms for the particles of matter which may or may not have independent existence.
What are the two conditions for the interconversion of states of matter ?
Which one is a kind of matter:
Out of solids, liquids and gases, which one has :
- maximum movement of particles ?
- maximum interparticle attractions ?
- minimum spaces between particles ?
Name a metal which is soft and a non-metal which is hard.
What elements do the following compounds contain ?
Sugar, Common salt
Name a metal which forms amalgams.
Name a metal which is yellow in colour.
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
The property/properties which enable copper metal to be used for making electric wires is/are :
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
Name the process you would use to separate a mixture of water and alcohol.
Explain the meaning of the term ‘matter’.
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Matter is made up of ______.
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Solids possess very high kinetic energy.
A teabag placed in a cup of hot water will diffuse into the water.
Give an example of a molecule.
Define the term matter.
