What are constituents of brass?
Mention the formula to calculate ph of a solution?
Explain the process of spontaneous combustion?
State beer’s law.
How do you express the total hardness of water?
Which is the indicator used in the determination of cao I cement solution?
What is iron ore consists of?
Why ph scale range is 14?
Do all explosions produce carbon dioxide or carbon monoxide?
What is blank solution?
Mention the different types of conductivities.
What makes a molecule into organic molecule?
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
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.
How is brass solution prepared?