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प्रश्न
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
उत्तर
Separation of compound
Elements –Elements occur on their own or as compounds and can be separated by chemical and physical methods. Example: Iron, copper.
Compounds – Elements in a compound are chemically combined and can be separated by chemical methods only. Example: Iron Sulphide, copper oxide.
Mixtures – Components in a mixture can be separated by physical methods only.
Example: Iron + sulphur
संबंधित प्रश्न
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.
What is the difference between a pure substance and a mixture ?
The methods of separating components of a given mixture are based on the
Name the elements which form water.
How will you justify that water is a compound?
Name the elements present in Ammonia
What is the proportion of element present in the following compound?
CO2
Name two compounds which dissolve in water.
State the information obtained from the formula of a compound.
Explain the term compounds.
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 properties
What is the molecular formula of the following compound?
Hydrochloric acid
What is the molecular formula of the following compound?
Methane
Explain the term mixture.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
The other name for potassium hydroxide is caustic potash.
A compound has a definite ______.
Name the compounds used in fertilizers.
