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प्रश्न
Explain the characteristics of compounds
Write any five characteristics of compounds.
थोडक्यात उत्तर
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उत्तर
- A compound is formed only when the constituent elements combine in a fixed proportion.
- The properties of a compound are different from those of its constituent elements
- A compound cannot be broken down by physical methods.
- This is because a compound is made up of different elements that are chemically combined. Sodium chloride cannot be separated by physical methods such as filtration.
- A compound can be separated into its constituent elements by chemical methods only.
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संबंधित प्रश्न
Write the molecular formulae of compound calcium oxide.
Write the molecular formulae of compound lead sulphide.
State two characteristics of water which prove that it is a – compound.
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glucose
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 |
State whether true or false. If false, correct the statement.
A compound cannot be broken into simpler substances chemically.
What is meant by compound?
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?
