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प्रश्न
Give the example of a compound containing hydrogen and oxygen.
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उत्तर
Example of Atoms of a different element forming a compound
2 Atom of H and 1 atom of O = H20
संबंधित प्रश्न
Fill in the blank
In a _______ the substances are not combined chemically.
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
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.
What are the different types of mixtures ?
Define Compounds
State four important characteristics of compounds
Name the elements present in Marble
State four differences between compounds and mixtures.
Write the molecular formulae of compound carbon monoxide
Give the example of a compound containing carbon and oxygen.
Give the example of a compound containing calcium and oxygen.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to properties
What is the molecular formula of the following compound?
Sodium chloride
Explain the difference between Mixture and compounds.
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
State whether true or false. If false, correct the statement.
A compound cannot be broken into simpler substances chemically.
Sodium chloride is used as table salt and for flavoring and preserving food.
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?
