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प्रश्न
Which one of the following is most likely to exhibit Tyndall effect ?
पर्याय
sugar and water mixture
potash alum and water mixture
chalk powder and water mixture
potassium permanganate and water mixture
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उत्तर
chalk powder in water mixture
Chalk in water will most likely scatter the beam of light when passed through it because it forms a suspension.
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संबंधित प्रश्न
Classify each of the following as a homogeneous or heterogeneous mixture.
Soda water, wood, air, soil, vinegar, filtered tea.
Compare the properties of metals and non-metals with respect to
- alleability
- ductility
- electrical conductivity.
What is meant by (i) homogeneous mixtures, and (ii) heterogeneous mixtures ? Give two examples of homogeneous mixtures and two of heterogenous mixtures.
Tick (√) the correct alternative from the choice given for the following statement:
Which is not a mixture?
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:
A mixture of two immiscible liquids
Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.
What does the LPG (Liquefied petroleum gas) contain?
Expand LPG ______.
