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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
Write true or false
The constituents of a mixture can only be separated by chemical means.
Name the elements present in Sugar
Name the elements present in Washing soda
What is the proportion of element present in the following compound?
H2O
What is the proportion of element present in the following compound?
CaO
What is the proportion of element present in the following compound?
NO2
State four differences between compounds and mixtures.
Write the molecular formulae of compound hydrogen sulphide.
Write the molecular formulae of compound carbon monoxide
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
Explain the difference between Mixture and compounds.
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
What are compounds? Give two examples.
Explain the characteristics of compounds
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 |
Mention any four compounds and their uses.
Higher-Order Thinking questions:
Why is water considered a compound?
When does the pressure of the gas increase?
A compound has a definite ______.
