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Question
A mixture of powdered salt and sugar can be separated by the process of winnowing.
Options
True
False
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Solution
This Statement is false.
RELATED QUESTIONS
Why is iron sulphide a compound ?
Name two methods by which solid-solid mixtures can be separated.
Fill in the blank
Clay is separated from water by the method called ______
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 |
Explain with diagram the process used to – separate the following substance from the given mixtures - Lead nitrate [soluble] from a mixture of – lead nitrate & water Le. lead nitrate solution.
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
Give a reason for the following statement :
Zinc is considered an element, while zinc sulphide is considered a compound.
Why do we separate mixtures?
Grain and husk can be separated with the process of decantation.
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 |
