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प्रश्न
Give the example of a compound containing nitrogen and oxygen.
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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
Fill in the blank
In a _______ the substances are not combined chemically.
Select the correct alternative from the choices given for the following statement:
A set of mixture is
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.
Define Compounds
Name the elements present in Sugar
What is the proportion of element present in the following compound?
NO2
Write the molecular formulae of compound calcium oxide.
Explain the term compounds.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to existence
What is the molecular formula of the following compound?
Sulphuric acid
What is the molecular formula of the following compound?
Sodium chloride
What is the molecular formula of the following compound?
glucose
What is meant by compound?
Which of the following are not compounds?
- Chlorine gas
- Potassium chloride
- Iron
- Iron sulphide
- Aluminium
- Iodine
- Carbon
- Carbon monoxide
- Sulphur powder
Write any two properties of a compound.
The other name for potassium hydroxide is caustic potash.
Reason out
Sand is also known as silica.
A compound has a definite ______.
