Showing posts with label jntu-k chemistry important questions for 1st year ist semister. Show all posts
Showing posts with label jntu-k chemistry important questions for 1st year ist semister. Show all posts

Tuesday, January 18, 2011

jntu-k chemistry important questions for 1st year ist semister



jntu-k chemistry important questions for 1st year ist semister





SUCCESS FOR CAREER




Chemistry
Unit-1
1.state and explain first law of thermodynamics?
2.what is joule-thomson effect/ write its experiment?
3.discuss the second law of thermo dynamics or law of entrophy/
4.calculate the change in entrophy when one moleof water at 100’c evaporates completely the latentheat of vaporization of water is 9650 cal/mole
5.expalin the principle of air conditions with neat diagram?
6.expalin the desalination process?
7.what is law of mass actions?add anote on equillibrum constant??
8.write short notes on ionic p
roduct of water?
9.state ph scale with its range?
10.state and wxplain le chateliers principle?
11.write about
a.solubility product
b.fraction affecting solubility product
c.application of solubility product




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unit-2
1.explain about homogenious and hetrogenious catalysis?
2.write a short note on mechanism of catalytic action/
3.explian about the different types of colloidal systems
4.define the fermentation process and brief explain about the conditions favorable for fermaenatation
5.explian the concept of viscosity and mention the factors influencing viscocity/
6.state and prove bernoli’s theaorem/


Unit-3
1.differnnce between photochemical reactions and thermodynamics reactions?
2.briefly mention about different laws of photochemistry/
3.Explain the consequences of light absorption using jablonki diagram?
4.define sensors?how many types of sensors are there?
5.what do you understand by ion selective electrodes?while a note on its principles and working?
6.what do you understand by nuclear magnetic resources?explian the principle involved in it?
7.give few applications of nmr?


Unit4
1.define superconductivity and list out the properties of superconductors?
2.define semiconductor.explian about n-type and p-type semiconductors?
3.what are intrinsic semiconductors?explian the conductor of n-type and p-type semiconductor?
4.what are storage devices?explian about primary and secondary storage devices?
5.explian
a.floppy disk
b.cd
c.pendrive




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unit-5
1.distinguish between solid,liquid,and gaseous fuels?
2.write a neat diagram explain how the colcrific value of a solid fuel in determine using a homb colorimeter?
3.brief and explain about the different types of carlinization of coal
4.brief explain about the ultimate analysis in determining analysis in quality of coal?
5.distinguish between pronimate and ultimate analysis of coal
6.briefly explain working of thermal power station with diagram

Unit-6
1.define electrode potential and write briefly on single electrode potential
2.derive the nervest equqtion whwt are its applications
3.write in detail about concentration cells?
4.discuss the theoretical periniciple involves in the construction and operation of any two important primary cells
5.write briefly on fuel cells with their advantages and disadvantages?

Unit-7

1.explian the following nuclear enegy
a.radio activity
b.radio active decay
c.nuclear stability
2.differntiate the binding energy form bond enegy?
3.briefly explain about nuclear fission an nuclear fussion rreactions?




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