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Question
Fill in the blank
A ________ substance has only one kind of matter.
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Solution
A pure substance has only one kind of matter.
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The methods of separating components of a given mixture are based on the
- physical properties and state of the components.
- colour of the components only.
- state of the components.
- none of these
Fill in the blanks.
Immiscible liquids are separated by using a ________.
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Water and alcohol
Match the ideal method of separation of components in a mixture in List I with the appropriate process in List II.
| List I | List II |
| 1. Sand from a mixture of sand and water | A: Separating funnel |
| 2. kerosene from a mixture of kerosene water | B: Sublimation |
| 3. Alcohol from a mixture of methyl alcohol and water | C: Filtration |
| 4. Naphthalene from a mixture of naphthalene and lead chloride | D: Distillation |
| 5. Pure water from impure water | E: Fractional distillation |
State any one method – to separate the following mixtures – A gas-gas mixture containing – two gases with different densities.
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
Explain with diagram the process used to – separate the following substance from the given mixtures - Ammonium chloride from a mixture of – ammonium chloride & potassium chloride.
Explain with diagram the process used to – separate the following substance from the given mixtures - Benzene from a mixture of – benezene [b.p. 80°C] & toluene [b.p. 110°C].
Very Short Answer Type Question:
How will you separate mango from a mixture of mango and apple?
What is meant by separation?
