Advertisements
Advertisements
प्रश्न
Name two substances insoluble in water.
Advertisements
उत्तर
Sand and chalk powder.
APPEARS IN
संबंधित प्रश्न
Compare the properties of metals and non-metals with respect to
- alleability
- ductility
- electrical conductivity.
How will you separate a mixture of kerosene oil and water ? Explain with the help of a labelled diagram.
How will you separate a mixture of cooking oil (groundnut oil) and water ?
Name the components present in the following mixture:
Crude petroleum oil
Tick (√) the correct alternative from the choice given for the following statement:
A set of the mixture is
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 |
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal
A colloid is a ______ mixture and its components can be separated by the technique known as ______.
Mixtures are impure substances.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
