Advertisements
Advertisements
प्रश्न
Give a reason for the following statement:
Evaporation of a common salt solution or seawater leaves behind common salt inside the evaporating dish after heating.
Advertisements
उत्तर
The liquid component is lost to the atmosphere by heating the mixture in an evaporating dish.
APPEARS IN
संबंधित प्रश्न
Define: Evaporation
State the principle involved in separation of solid-liquid mixtures by evaporation
Explain how a solid component is separated in a soluble solid-liquid mixture.
Draw a neat labelled diagram for the separation of the following mixture.
Naphthalene from sodium chloride
State the technique involved in separating the following:
Potassium chloride from an aqueous solution of potassium chloride.
Common salt from a solution of common salt in water
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Name the process associated with the following
An acetone bottle is left open and the bottle becomes empty.
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
A volatile and a non-volatile component.
In an activity, a teacher dissolved a small amount of solid copper sulphate in a tumbler half filled with water. Which method would you use to get back solid copper sulphate from the solution?
During summer, Boojho carries water in a transparent plastic bottle to his school. One day he left his bottle in the school. The bottle still had some water left in it. The following day, he observed some water droplets on the inner surface of the empty portion of the bottle. These droplets of water were formed due to ______.
