Advertisements
Advertisements
प्रश्न
A _______ is formed when one liquid is dispersed as tiny droplets throughout another liquid
Advertisements
उत्तर
An emulsion is formed when one liquid is dispersed as tiny droplets throughout another liquid
APPEARS IN
संबंधित प्रश्न
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
State any one method – to separate the following mixtures – Two solid mixtures one of which – directly changes into vapour on heating.
State any one method – to separate the following mixtures – A liquid-gas mixture containing – a gas dissolved in a liquid component.
How can husk or fine dust particles be separated from rice before cooking?
Malar’s mother was preparing to cook dinner. She accidentally mixed ground nuts with urad-dhal. Suggest a suitable method to separate the two substances so that Malar can have ground nuts to eat.
Separation of sugar from tea can be done with filtration.
Grain and husk can be separated with the process of decantation.
Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?
Match the mixtures in column I with their method of separation in column II.
| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water | (i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
Name the two phases in the separation of the mixtures in chromatography.
