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प्रश्न
Give the example of a compound containing calcium and oxygen.
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उत्तर
Example of Atoms of a different element forming a compound
Calcium oxide, 1 atom of calcium 1 atom of O = CaO
संबंधित प्रश्न
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
Name the elements present in Ammonia
Write the molecular formulae of compound carbon monoxide
Write the molecular formulae of compound lead sulphide.
Give the example of a compound containing hydrogen and oxygen.
Give the example of a compound containing carbon and oxygen.
Select the correct answer from the choice given below.
A compound
What is the molecular formula of the following compound?
Hydrochloric acid
What is the molecular formula of the following compound?
Sulphuric acid
What is the molecular formula of the following compound?
Sodium chloride
Explain the difference between Mixture and compounds.
Explain the term mixture.
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
State whether true or false. If false, correct the statement.
Aspirin is composed of 60% Carbon, 4.5% Hydrogen and 35.5% Oxygen by mass. Aspirin is a mixture.
Sodium chloride is used as table salt and for flavoring and preserving food.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
When does the pressure of the gas increase?
