| -CHEMISTRY 1ST YEAR B TECH KTU IMPORTANT QUESTIONS FOR KTU STUDENTS [FIRST YEAR] | QUESTION BANK

 APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

CHEMISTRY 1ST YEAR B TECH KTU IMPORTANT QUESTIONS FOR KTU STUDENTS [FIRST YEAR] | QUESTION BANK,chemistry important questions,chemistry ktu btech questions,chemistry previous questions,chemistry questions,ktu chemistry questions,ktu s1,ktu s2,ktu s1 s2 chemistry,
1ST YEAR B TECH KTU IMPORTANT PREVIOUS QUESTIONS


1. What are co-polymers ? Give an example.


2. Hard water will not give a ready lather with soap solution. Give the chemical explanation.

3. Distinguish between gross and net calorific values of fuel.

4. The specific conductivity of  N/50 KCI solution at 25°C is 0.0002765 ohm-1 cm-1. If the resistance of  the cell containing this solution is 500 ohm, what is the cell constant?

5.Which of the following nuclei can give NMR spectrum ? Give reason.

a)11H b)126C c)199F    d)168O

6. At 25°C the standard emf of a cell having reaction involving two electron charge is found to be 0.295 V. Calculate the equilibrium constant of the reaction.

7. Why do we express hardness of water in terms of CaCO3 equivalent?

8. What is meant by cetane value of a diesel fuel?

9.What is meant by potentiometric titrations ? Mention two merits of potentiometric titrations.

10. Give the principle of column chromatography List the various steps to be Undertaken in this method.

11.The vibrational frequency of HCI molecule is 2886cm-1. Calculate the force constant of the molecule. Reduced mass of HCI is 1.63 x 10^–27 kg.

12. Draw the structure of bifunctional silicon chloride. How silicone rubber prepared from it?

13. An oil of Unknown viscosity-index has a Saybolt universal viscosity of 58 seconds at 210°F and of 580 seconds at 100°F. The high viscosity index standard (Pennsylvanian) oil has Saybolt viscosity of 58 seconds at 210°F and 430 seconds at 100°F. The low viscosity index standard (Gulf oil) has a Saybolt universal viscosity of 58 seconds at 210°F and 780 seconds at 100°F. Calculate the Viscosity index of oil sample.

14. What is natural gas? Distinguish between LNG and CNG.

15. What is disinfection ? Give the advantages and disadvantages of UV disinfection of water.

16. A sample of water on analysis gives following results. Ca2+ = 320 mg/L, Mg2+ =72 mg/L, HCO– = 610 mg/L, Cl– = 355 mG/L and Na+=23 mg/L Calculate  the temporary and permanent hardness of water sample.

CLICK HERE FOR MORE :--**

No comments:

Powered by Blogger.