From which substance are the dues manufactured ?
What is an indicator electrode?
how will you jug that the give organic compound is pure or not ??????
is urea addition affecting the COD (chemical oxygen demand) & BOD (Biological oxygen demand)level? why?
Why is ammonium hydroxide added to the brass solution?
What are the advantages of conductometric titration over visual or potentiometric titration?
Which is heavier, water or ice ?
What is the difference between fractionation and distillation?
The heat of the sun reaches us and the intervening air is not heated up Why ?
Why is clinical thermometer used in preference to and ordinary Fahrenheit thermometer ?
Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
What general group of organic compounds are not oxidesied in the cod test?
What is Catalysis ?