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Thursday, 23 November 2017

CHE151 : Chemistry Practices Questions for exam


Question 1 : Distinguish crystalline and amorphous solid.

Question 2 : Write the principle of NMR.

Question 3 : How population difference can be increased in NMR?

Question 4 : Derive Bragg’s law.

Question 5 : What are difference types of imperfections? And explain schottky and Frenkel defect. 

Question 6 : Define addition polymers and condensation polymers with example.

Question 7 : Derive an expression for the activation energy in terms of k¬1, k2, T1 and T2

Question 8 : Write two properties and application of each: polyester, polystyrene, urea formaldehyde

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