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प्रश्न
Name the elements present in Marble
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उत्तर
Elements present in Marble:
Calcium, carbon & oxygen
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संबंधित प्रश्न
Write true or false
The constituents of a mixture can only be separated by chemical means.
Define Compounds
State four important characteristics of compounds
Name the elements present in Sugar
Name the elements present in Washing soda
What is the proportion of element present in the following compound?
CO2
State three differences between water and air.
State four differences between compounds and mixtures.
State the information obtained from the formula of a compound.
Give the example of a compound containing carbon and oxygen.
Give the example of a compound containing nitrogen and oxygen.
Select the correct answer from the choice given below.
A compound
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
What is the molecular formula of the following compound?
Hydrochloric acid
What is the molecular formula of the following compound?
Sodium chloride
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
Mention any four compounds and their uses.
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
