Why is ammonia-ammonium chloride buffer added?
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What is Refractory Materials?
How are specific gravity and density related?
Why graphite rod is used in nuclear reactor?
Which element is nether a solid nor a liquid?
it is possible that the air dissolves in any solvent?
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How is temporary hardness be removed?
pH is having unit?
When carbon is made to burn in an atmosphere of oxygen, what is produced ?
what is the process for separating the components of gunpowder?
Define what is avogadro’s law?
Why cooling is produced when a wet ?khus khus? screen is hung on the doors and windows ?
Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?