CHEMISTRY IMPORTANT QUESTION FOR CLASS 12th

CHEMISTRY IMPORTANT QUESTION FOR CLASS 12th
chapter-2

Question no. : 1

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Anusankhyaka properties Who says you These many types of there are. Type name )

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Question no. : 2


Stable kvathim mix Who says you These many types of are you Clearly angry.

Question no. : 3


What is osmotic pressure Osmosis and diffusion in two differential chairman.

Question no. : 4


The following is defined kariyem 

)   the value of fraction          ( )  parts per million  

)  vapor pressure in the relative angles

Question no. : 5


The ideal and the working solution in the difference clear worry 

Question no. : 6


What is Roulette ‘s law Write its mathematical expression .

Question no. : 7


What reason is that the temperature in the growth of the gas diffuses water in the low solute is that ?

Question no. : 8


A positive deviation of the working solution and rnatmka deviation of the working solution in the differential likhiye.

Question no. : 9


Write Henry ‘s law and his applications .

Question no. : 10


Methanol in 0.15 M 250 ml solution is to make the for the necessary benjoika acid (C 6 H 5 COOH) the amount of the calculated worry.

Question no. : 11


Explain why ions are conductors of electricity in solid state but not in solid state .

Question no. : 12


What is the effect of heat on osmosis  ?

Question no. : 13


The molecular properties of a solution depend on which factor  ?

Question no. : 14


What is an abnormal molecular weight  ?

Question no. : 15


Why is there a tendency for gases to always appear when the temperature rises  ?

Question no. : 16


Write the difference between ideal and non-ideal solution  ?

Question no. : 17


Define the solution? How many types of solutions are possible? Give a brief example of each type of solution   ?

Question no. : 18


What is Roulette’s law? Find out the mathematical expression of this   ?

Question no. : 19


Write Henry’s law of solubility the factors affecting the solubility of gases in liquids  ?

Question no. : 20


What is molecular boiling point uplift constant? Establish a relationship between the value of a solvent and the development of a boiling point  ? 

Question no. : 21


Explain the molecular properties with examples  ?

Question no. : 22


What is a semi-permeable membrane  ?

Question no. : 23


Explain the difference between molarity and molarity  ?

Question no. : 24


Illustrate the Berkeley-Hartley method of measuring osmotic pressure and also write the benefits of the method  ?

Question no. : 25


Explain the following – 

  1. Normality
  2. Bargaining
  3. Ppm
  4. Molarity
  5. Henry’s law
  6. Formality
  7. Bargain price 

Question no. : 1


Molala freezing point depression constant what is Freezing in the depression of the support from us volatile solutes of molecular mass How known will ?

Question no. : 2


What is Want Half Coefficient Write its usefulness .

Question no. : 3


Unusual molecular mass of you do understand you Explain the reason .

Question no. : 4


What is an upgrade in boiling point Volatile matter of mixing the solution to boiling point why increases as the Graph of help from explaining why.

Question no. : 5


How to find the molecular weight of a solute with the help of degradation in vapor pressure.

Question no. : 6


293 k on the water ‘s vaspadaba 17.535 mm Hg to 25 grams of glucose of 450 grams of water in the tilting and 293 k at the water ‘s vaspadaba the calculation worry.

Question no. : 7


684 gm of sucrose to 1000 found the solution in the solution has been to. 293 k on the diffusion pressure of the calculation worry. (R = 0.082)  

Question no. : 8


  1. What is the effect of boiling point by adding salt in water?
  2. The car’s radiator in cold water with countries using glycol are why ?  



Question no. : 9


When giving a bottle of glucose to an unhealthy person, they use only a certain amount of salt present in it why?

Question no. : 10


Explain what is the action of putting raisins in water and what is the action of spreading the fragrance of agarbatti in the whole room , explain the difference between the two actions?

Question no. : 11


When you open the cork of a soft drink bottle, a lot of foam comes out. This process which is based on the rules explain, and it generates a mathematical expression worry  ?

Question no. : 12


Explain the reason –

  1. Divers use helium gas with oxygen.
  2. Mountains have difficulty breathing
  3. Why does boiling point increase when volatile solids are added to a pure solvent ?

Question no. : 13


Why is there an irregularity in the molecular mass of a solvent containing a volatile compound and how to eliminate it  ?

Question no. : 14


What is the property of one who depends on the number of moles in a solution and how many types are there?







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