Advertisements
Advertisements
प्रश्न
Name four substances that can be used as filters.
Advertisements
उत्तर
(i) Filter paper
(ii) A bead of sand
(iii) Charcoal
(iv) A piece of muslin cloth.
APPEARS IN
संबंधित प्रश्न
Define :- Immiscible liquids
State three reasons why you think air is a mixture and water is a compound.
Which of the following is not a mixture ?
The ‘sea water’ can be classified as a homogeneous mixture as well as a heterogeneous mixture ? Comment.
Solutions are
Give reason:
Why do sugar and water retain their individual properties in a sugar solution?
Name two substances soluble in water.
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
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
