What is the safety curtain in cinema or theatre made off ?
pH is having unit?
Which is the main constituent in air ?
How is wood charcoal manufactured ?
What is the reaction that occurring between fas and potassium dichromate?
Why has the continuous supply of heat no effect on the rise of temperature after boiling point
How BIS Decedied the LSF value 0.66-1.02 with calculation.
What is german silver?
why we shrink our body during cold
What is Electrovalence?
Why is the role of glycerol & naoh?
What is flash point ?
What is photoelectric colorimeter?