हिंदी

Give Reason Fortable Salt Becomes Moist During Rainy Season.

Advertisements
Advertisements

प्रश्न

Give reason for Table salt becomes moist during rainy season.

टिप्पणी लिखिए
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
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Water - Exercise

APPEARS IN

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

संबंधित प्रश्न

Give two example of Solvent other than water.


Why is sea water salty ?


Discuss the importance of water as a solvent for our body .


Discuss the importance of water as a solvent for plants.


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


'Water is the universal solvent'. Comment.


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 term:

Solute


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

Increase in mass


What is soap? For what is it used?


What is the advantage of a detergent over soap?


Why does the hardness of water render it unfit for use in a boiler.


Why does the hardness of water render it unfit for use in a washing purposes.


Name the gas that:

Does not affect acidified K2Cr2O7 paper but turns lime water milky.


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.


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

A deliquescent salt of a divalent metal _____.


Take two pots with similar plants. Water one of the plants with tap water and the other with seawater. Record your findings and note the difference observed.


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×