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

 APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

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


1. Write the essential components of gas chromatography equipment?

2. What is certane number?

3. The absorbance of a 0.01M dye solution in ethanol is 0.62 in a 2cm cell for light of wavelength 500A.

If the path length of light through the sample is doubled and the concentration is made half, what will be the value of absorbance?

4. What is poly aniline? Give its structure and two applications?

5. A zinc wire is dipped in silver nitrate solution taken in beaker A and a silver wire is dipped in zinc sulphate solution taken in beaker B. 

Predict in which beaker the ions present will get reduced. Given that the standard reduction potential of zinc and silver are -0.76V and 0.80V respectively.

6. Write two examples of solid lubricants. Compare their structure.

7. Hard water does not produce much lather with soaps or detergents. Give reason.

8. Write the significance of BOD.

9. Write three points of comparison between UV and IR spectrum.

10. Write three advantages of hydrogen – oxygen fuel cell.

11. Define the term cell constant. 

The specific conductivity of a 0.3N KCI solution at 270 C is 0.028 S cm-1 Resistance of the cell containing this solution is 300 ohms. Determine cell constant.

12. What is the nature of bonding in carbon nanotubes? Write two applications of carbon nanotubes (CNTs).


13. Write the composition and uses of natural gas.

14. What is viscosity index (V.I)? Oils having high viscosity need not necessary have high V.I Comment.

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