मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Give Two Examples of Drying Agent.

Advertisements
Advertisements

प्रश्न

Give two examples of Drying agent.

एका वाक्यात उत्तर
Advertisements

उत्तर

Concentrated sulphuric acid (H2SO4), phosphorus pentoxide (P2O5), quicklime (CaO)

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

APPEARS IN

एस.पी. सिंह Concise Chemistry [English] Class 8 ICSE
पाठ 8 Water
Exercise II | Q 6.3 | पृष्ठ ११५

संबंधित प्रश्‍न

Give reason for Table salt becomes moist during rainy season.


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


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


What are the observations and conclusions when tap water is boiled and evaporated in watch glass? 


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


In which of the following substances will there be

Increase 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 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.


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


Aquatic plants make use of dissolved ______ for photosynthesis.


Explain the importance of dissolved salts in water.


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×