Advertisements
Advertisements
प्रश्न
Name the components in each of the following mixtures.
- Ice cream
- Lemonade
- Air
- Soil
Advertisements
उत्तर
- The main constituents of ice cream are fat, milk solids (skim-milk powder), sugar, gelatin, egg and flavouring.
- Lemonade is a mixture of lemon juice, sugar and water.
- Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapour and other gases.
- Soil is a mixture of clay, sand and various salts.
APPEARS IN
संबंधित प्रश्न
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Salt from sea water
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Ammonium chloride from sand
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Water and alcohol
Match the ideal method of separation of components in a mixture in List I with the appropriate process in List II.
| List I | List II |
| 1. Sand from a mixture of sand and water | A: Separating funnel |
| 2. kerosene from a mixture of kerosene water | B: Sublimation |
| 3. Alcohol from a mixture of methyl alcohol and water | C: Filtration |
| 4. Naphthalene from a mixture of naphthalene and lead chloride | D: Distillation |
| 5. Pure water from impure water | E: Fractional distillation |
State any one method – to separate the following mixtures – A liquid-liquid mixture containing – two miscible liquids having different boiling points.
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
Why do we separate mixtures?
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.
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
