Fresh form of water is obtained from?
What is german silver?
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
What is meant by transmittance?
What is iron ore consists of?
What is glacial acetic acid? What are its uses?
What are the uses of glacial acetic acid?
Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?
Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.
Explain how buffer works?
Write the structural formula for edta.
explain sour gas?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
How will you calculate how many moles of glucose present in 320 ml of 5.0 m of glucose solution?
How do you express the total hardness of water?
