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प्रश्न
Define the following:
Pure substance
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उत्तर
Pure substance: “Pure Substance is either element or compound. It contains the same kind of atom or molecules and has a definite set of physical and chemical properties.”
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संबंधित प्रश्न
List the points of differences between homogeneous and heterogeneous mixtures with examples.
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- ductility
- electrical conductivity.
How would you separate a mixture of sugar and salt?
How will you separate common salt, sand and iron filings from their mixture ?
Matter is classified into the types of mixture, compound and element by applying the criterion ______.
Give two examples of the following type of mixture.
gas-gas
Tick (√) the correct alternative from the choice given for the following statement:
Copper is not a part of the alloy
State whether the following statement is true or false. If false write – the correct statement.
Components in a mixture can be separated by physical and chemical methods.
Name the following:
The component of the soluble solid-liquid mixture, which is lost to the atmosphere on heating.
