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प्रश्न
Write the molecular formulae of compound calcium oxide.
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उत्तर
Compound Calcium oxide is formed of elements calcium (Ca) and oxygen (O)
Symbols combining power Here the subscript number is same Ca2 Formula of calcium oxide is CaO
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संबंधित प्रश्न
Name the process by which the components of following mixtures can be separated.
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- Chaff and grain
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A compound
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
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What is the molecular formula of the following compound?
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What is the molecular formula of the following compound?
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What is the molecular formula of the following compound?
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Explain the difference between Mixture and compounds.
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
What are compounds? Give two examples.
Explain the characteristics of compounds
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| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
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| Compound | Constituent elements |
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| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Reason out
Sand is also known as silica.
