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प्रश्न
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
एका वाक्यात उत्तर
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उत्तर
Both statements are false.
Correct statement:
- Air is a mixture of gases.
- Air consists of Nitrogen Oxygen, CO,, other noble gases.
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संबंधित प्रश्न
Define Compounds
Name two compounds which dissolve in water.
State the information obtained from the formula of a compound.
Give the example of a compound containing hydrogen and oxygen.
Select the correct answer from the choice given below.
A compound
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to existence
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
Explain the term mixture.
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 |
