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प्रश्न
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
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उत्तर
Chromatography – Ink
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संबंधित प्रश्न
Give two examples for the following: Metals
Give one example for the following types of mixtures :
misicible liquids
Differentiate between:
Homogenous and heterogenous substances
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
What are the advantages of chromatography?
Name: a Metal Which is brittle
Give reason: Graphite is used to make a lead of the pencils.
Select the correct answer from the choice in the bracket.
The least reactive metal.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
Classify the substances given in Fig. 2.2 into elements and compounds
