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प्रश्न
Choose the most appropriate answer
Which of the gas is highly soluble in water ?
पर्याय
Ammonia
Nitrogen
Carbon monoxide
Oxygen
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उत्तर
Ammonia
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संबंधित प्रश्न
Tick the most appropriate answer.
The different constituents of ink are separated by
Fill in the blank
A ________ substance has only one kind of matter.
Write true or false
The constituents of a mixture can only be separated by chemical means
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 – Two solid mixtures one of which – directly changes into vapour on heating.
Explain with a diagram the process used to – separate the following substance from the given mixture.
Potassium nitrate from a mixture of – potassium nitrate & potassium chlorate.
Explain with a diagram the process used to – separate the following substance from the given mixture.
Lead carbonate [insoluble] from a mixture of – lead carbonate & water.
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
How can husk or fine dust particles be separated from rice before cooking?
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 |
