How do you express the total hardness of water?
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which metal is found abundantly in the earths crust??
What is the effect of the flashes of lightning during a thunderstorm ?
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?
What are the uses of Alloy ?
What is protein - according to chemistry?
What is Nutralication ?
Why are the bright circles of light seem under the trees, when the sun shines?
Difference between heavy hydrogen , Atom Hydrogen and Hydrogen Ion ?
Why ate the electric fuses used in an electric current ?
What is flash point ?
Which gas is used in bulbus ?
Why is ammonium hydroxide added to the brass solution?