Mention a few application of cod test in environmental engineering practice.
Why is sulphuric acid added during the preparation of standard fas solution?
why do hard water never produce foam when a soap is dissolved?
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
What happens when the excess of stannous chloride is not removed
How BIS Decedied the LSF value 0.66-1.02 with calculation.
Write the structural formula for edta.
Write the equation of photosynthesis?
What is the principle involved in conductometric titration?
How is the accuracy of the method determined?
State beer’s law.
What is weak acid?
What is the unit of ph?
However ozone is heavier than oxygen still ozone is up there in sky why?
What are hard waters?
