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Question
Fill in the blank
A ________ substance has only one kind of matter.
Solution
A pure substance has only one kind of matter.
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RELATED QUESTIONS
Fill in the blank
Clay is separated from water by the method called ______
State any one method – to separate the following mixtures – Two solid mixtures one of which – directly changes into vapour on heating.
Explain with diagram the process used to – separate the following substance from the given mixtures - Sulphur from a mixture of – sulphur & copper.
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Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
Very Short Answer Type Question:
How will you separate mango from a mixture of mango and apple?
Very Short Answer Type Question:
You are given a mixture of salt and sand. Can you separate them by picking?
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Match the following
| Column A | Column B | ||
| 1. | Separation of salt from saltwater | a. | Magnetic separation |
| 2. | Separation of tea leaves from tea extract | b. | Evaporation |
| 3. | Separation of sand and iron filings | c. | Churning |
| 4. | Separation of butter from curds | d. | Filtration |
Match the mixtures in column I with their method of separation in column II.
| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water |
(i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
