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प्रश्न
Give the example of a compound containing carbon and oxygen.
उत्तर
Example of Atoms of a different element forming a compound
Carbon dioxide, 1 atom of carbon and 2 atoms of O = CO2
संबंधित प्रश्न
Write true or false
The constituents of a mixture can only be separated by chemical means.
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 ?
Name the elements which form water.
How will you justify that water is a compound?
What is the proportion of element present in the following compound?
H2O
What is the proportion of element present in the following compound?
NO2
State three differences between water and air.
State the information obtained from the formula of a compound.
Write the molecular formulae of compound hydrogen sulphide.
Explain the term compounds.
Give the example of a compound containing nitrogen and oxygen.
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?
Sodium chloride
Mention any four compounds and their uses.
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
State whether true or false. If false, correct the statement.
A compound cannot be broken into simpler substances chemically.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
The other name for potassium hydroxide is caustic potash.
When does the pressure of the gas increase?
