problem 1: Give the significant characteristics of textile waste. Which biological oxidation techniques can be used for the treatment of textile waste?

problem 2: List out the various strategies used to decrease environmental pollution due to fertilizers.

problem 3: Describe which micro-organisms are present in sewage.

problem 4: How is soil polluted by different toxic chemicals? Describe.

problem 5: prepare down the precautions one must take throughout the collection of sample.

problem 6: Describe the given terms:

a) Chromatogram
b) Resolution

problem 7: What are the various kinds of ion exchange materials? Discuss any one of them in details.

problem 8: How is Standard Hydrogen Electrode (SHE) constructed? Why is usually SHE chosen as primary reference? prepare its limitation when it is employed as primary reference electrode.

problem 9: Define the term molar conductivity. A certain conductance cell was filled with 0.0100 M solution of KCl, whose conductivity is 0.001409 ?^-1 cm^-1 (S cm^-1) at 25°C, it has a resistance of 161.8 ?. Whenever filled with 0.0050 M NaOH, it has a resistance if 190 ?.  Compute the cell constant conductivity and molar conductivity of NaOH.

problem 10: What is an indicator microorganism? prepare some of the significant characteristics of an indicator microorganism.