What is kentchin? Is it real?
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Which metal is used for coating the backs of the mirrors ?
Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?
explain sour gas?
When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason????????? When a cool glass rod is suudenly heatd, it cracks. Why?????????
How is electricity generated from water ?
What are the electrodes used in potentiometer titration?
who invented the first projector?
What is Poling ?
We see the sun before it rises above the horizon in the morning. Why?
With what metal, chocolates, cigarettes etc. are wrapped ?
Why is it dangerous to have a coal fire burning with doors and windows closed ?
Explain the Solution ?