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प्रश्न
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
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उत्तर
Tyndall effect – Scattering of light
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Differentiate between the following.
Filter Paper and Alum
Differentiate between:
Homogenous and heterogenous substances
Mention three gaseous elements and write their molecular formulae
Write the names of elements from the following symbol:
Cd
Select the correct answer from the choice in the bracket.
The least reactive metal.
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
Elements are made up of______ kinds of atoms.
There are ______ number of known elements.
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
