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प्रश्न
Explain the difference between Mixture and compounds.
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स्पष्ट कीजिए
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उत्तर
| Mixture | Compound | |
| 1 | It is obtained by the physical combination of any two substances. | It is formed when two or more substances chemically combine in a fixed ratio. |
| 2 | The composition of the constituents present in a mixture is not fixed. | The composition of elements present in a compound is fixed. |
| 3 | It displays the properties of all its constituents. | It may or may not show the properties of its constituent elements. |
| 4 | The constituents of a mixture can be separated using physical methods. | The constituent elements of a compound can be separated only by using chemical methods. |
| 5 | No change of energy is involved during the formation of a mixture. | A change of energy is involved during the formation of a compound. |
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Name the elements which form water.
How will you justify that water is a compound?
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Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Higher-Order Thinking questions:
Why is water considered a compound?
The other name for potassium hydroxide is caustic potash.
