What is meant by 'Pure substances'?...

What is meant by 'Pure substances'?

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VGS PUBLICATION-BRILLIANT-IS MATTER PURE?-EXERCISE

A solution contain 50 g of a common salt in 200 g of water. Calculate ...
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80 ml of solution contains 20 g of solute .Calculate the concentration...
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What is meant by 'Pure substances'?
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What are the factors affecting rate of dissolving?
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When do you say that a solution is dilute solution?
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What do you say that a solution is a concentrated solution?
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Define suspension.
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What is an emulsion ? Give two examples.
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What is a colloid?
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What is dall effect ?
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What techique do you use to separate the colours?
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When do we use fractional distillation method for the separation of mi...
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What is the definition given by Lavoisier for the 'element'?
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What is the principle involved in separation of immiscible liquids usi...
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What is the use of glass beads in the fractional distillation column?
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What is centrifuge? What are its used?
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Define a mixture and mention its properties.
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What are homogeneous and heterogeneous mixtures ?Give examples.
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Define solution, solvent and solute.
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Mention the properties of a solution.
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