मराठी

Give Reason Fortable Salt Becomes Moist During Rainy Season.

Advertisements
Advertisements

प्रश्न

Give reason for Table salt becomes moist during rainy season.

टीपा लिहा
Advertisements

उत्तर

On exposure to air, table salt (NaCl) turns moist and ultimately forms a solution especially during rainy season because it contains impurities like magnesium chloride and calcium chloride which are deliquescent. Sodium chloride is not deliquescent.

shaalaa.com
Water - a Universal Solvent
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Water - Exercise II [पृष्ठ ११५]

APPEARS IN

सेलिना Concise Chemistry [English] Class 8 ICSE
पाठ 8 Water
Exercise II | Q 8.2 | पृष्ठ ११५

संबंधित प्रश्‍न

Give two examples of Drying agent.


Why is sea water salty ?


Discuss the importance of water as a solvent for plants.


What do you mean by solubility of a solute in a solvent ?


What is the importance of dissolved salts in water?


Explain why boiled or distilled water tastes flat.


Explain why:

Ice at zero degrees centigrade has greater cooling effect than water at 0oC.


Explain the terms:

Solvent


Explain why:

The solute cannot be separated from a solution by filtration.


In which of the following substances will there be

Decrease in mass


In which of the following substances will there be

No change in mass when they are exposed to air?

Sodium chloride
Iron
Conc. sulphuric acid
Table salt
Sodium carbonate crystals


What is soap? For what is it used?


What is the advantage of a detergent over soap?


Give a reason why water is called a ‘universal solvent’ but, an alkali is not.


Give a reason why boiled water tastes flat.


Select the correct answer of the following statement:

The medium of dissolution which allows the solute to dissolve in it.


State why ‘Water is considered a universal solvent’. Give the reason for the same.


Select the correct answer from the choice given in the options.

A deliquescent salt of a divalent metal _____.


What insoluble substance? Give examples.


Aquatic plants make use of dissolved ______ for photosynthesis.


Sheela, Saima and Ravi have to dissolve maximum amount of sugar in the same amount of milk so as to win in a game. Ravi took hot boiling milk while Saima took ice cold milk. Sheela managed to get milk at room temperature. Whom do you think would win the game and why?


Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.

Alum tub muslin cloth gas stove thread pan and lid

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×