What is slacked lime ?
Why is disodium salt of edta preferred to edta?
What is slacked lime ?
Why does water boil above 100 o C in mines ?
What is the Chemical Combination ?
What is the metal used to extract copper from the solution of copper sulphate?
explain sour gas?
What is mineral water?
Why does the filament of an electric lamp glow, when current passes through it ?
Explain the process of spontaneous combustion?
What is the effect of the flashes of lightning during a thunderstorm ?
What is given off on burning a candle ?
What is engymes?