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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
Select the correct alternative from the choices given for the following statement:
A set of mixture is
What is the difference between a pure substance and a mixture ?
Define Compounds
State four important characteristics of compounds
What is the proportion of element present in the following compound?
CO2
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 the term
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?
glucose
Explain the term mixture.
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Sodium chloride is used as table salt and for flavoring and preserving food.
A compound has a definite ______.
A compound has a fixed ______.
Name the compounds used in fertilizers.
