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प्रश्न
Give two examples of Metalloids.
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उत्तर
Examples of Metalloids are Antimony, silicon, boron
संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Define: Compounds
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Write the names of elements from the following symbol:
Si
State five different characteristics of compounds.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
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 |
How are elements classified?
