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प्रश्न
Name the following:
The component of a naphthalene-sodium chloride mixture, which remains in the evaporating dish when heated together, covered with a funnel.
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उत्तर
Sodium chloride.
संबंधित प्रश्न
Give two reasons for supposing that water is a compound and not a mixture.
How will you separate a mixture of iron fillings and sulphur powder without using carbon disulphide ?
Select homogeneous and heterogeneous mixtures from the following:
The salt solution, petrol, and water, sand, and charcoal, alcohol and water, air dissolved in water, air, seawater, fruit juices, mist, brass.
Fill in the blanks
___________is a process to obtain a very pure form of a solid dissolved in a liquid.
Write “true” or “false” for the following statement
Winnowing is a process to remove small stones from grains.
Tick (√) the correct alternative from the choice given for the following statement:
Example of a homogeneous mixture is
State the technique involved in separating the following:
Iodine crystals and potassium chloride
Milk is a ______.
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two volatile components with appreciable differences in boiling points.
Mixtures are impure substances.
