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प्रश्न
Give the example of a compound containing nitrogen and oxygen.
उत्तर
Example of Atoms of a different element forming a compound
Nitrogen dioxide, 1 atom of nitrogen 2 atom of O = NO2
संबंधित प्रश्न
Name the process by which the components of following mixtures can be separated.
- Iron and sulphur
- Ammonium chloride and sand
- Common salt from sea water
- Chaff and grain
- Water and mustard oil
- Sugar and water
Select the correct alternative from the choices given for the following statement:
A set of mixture is
Write true or false
The constituents of a mixture can only be separated by chemical means.
What are the different types of mixtures ?
Define Compounds
Name the elements present in Sugar
Name the elements present in Ammonia
Name the elements present in Marble
What is the proportion of element present in the following compound?
CaO
Name two compounds which dissolve in water.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
What is the molecular formula of the following compound?
glucose
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Explain the characteristics of compounds
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
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.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
Higher-Order Thinking questions:
Why is water considered a compound?
The other name for potassium hydroxide is caustic potash.
Name the compounds used in fertilizers.
