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प्रश्न
The constituents of a mixture are present in a fixed ration.
विकल्प
a fixed ratio
a variable ratio
the ratio of 2:1
none of these
उत्तर
a variable ratio
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संबंधित प्रश्न
How will you separate common salt, sand and iron filings from their mixture ?
Define the following:
Pure substance
Define the following:
Impure substance
Define the following:
Heterogeneous mixture
Name two substances soluble in water.
State the principle involved in separation of solid-solid mixtures by Sublimation
Give a reason why sublimable and non-sublimable substances can be separated easily, but two sublimable substance cannot.
Match the statements in List I with the correct answer in List II.
| List I | List II |
| 1. Purification of water by adding alum | A: Sublimation |
| 2. Seawater leaving behind common salt | B: Sieving |
| 3. Separation of camphor and potassium chloride | C: Filtration |
| 4. Separation of charcoal from a charcoal-water mixture | D: Sedimentation |
| 5. Separation of bran and wheat flour | E: Evaporation |
Name the following:
The component of the soluble solid-liquid mixture, which is lost to the atmosphere on heating.
LPG is ______ gas.
