Advertisements
Advertisements
Question
Name the components in each of the following mixtures.
- Ice cream
- Lemonade
- Air
- Soil
Advertisements
Solution
- 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
RELATED QUESTIONS
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
Fill in the blank
A ________ substance has only one kind of matter.
How is distillation method different from evaporation?
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 |
Explain with diagram the process used to – separate the following substance from the given mixtures - Sulphur from a mixture of – sulphur & copper.
Select the correct answer from the choice given below to complete the sentence :
A soluble solid is separated from an insoluble solid by ____________.
Select the correct answer from the choice given below to complete the sentence :
The reactive element from the two monoatomic elements is _____________.
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
Name the apparatus that you will use to separate the components of mixtures containing two,
- miscible liquids,
- immiscible liquids
Separation of sugar from tea can be done with filtration.
