why is their exotherm while addition of reducing agents in
reduction reaction?
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While standing on railway platform and heating the whistle of an engine coming towards us , we hear the sound increasing; bit when the engine is receding from us it appears to fall why ?
What is Valency ?
Difference between an Atom and an Ion ?
how will you jug that the give organic compound is pure or not ??????
How is brass solution prepared?
Why is estimation of copper done at 620 nm wave length?
What is Basicity of an acid ?
however ozone is havier than oxygen still ozone is up there in sky why?
With what metal, chocolates, cigarettes etc. are wrapped ?
Why is sodium preserved in kerosene oil ?
which acid present in soda water?
Why metallic tools used by blacksmiths have wooden handles ?