What is photoelectric colorimeter?
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Why does oil thrown on rough sea make it calmer ?
Why graphite rod is used in nuclear reactor?
however ozone is havier than oxygen still ozone is up there in sky why?
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 not hydrogen power does it PH? explain plz....
What is determining factor in the oxidation reduction reaction?
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 ?
How is the accuracy of the method determined?
How many electrons does benzene have?
What is the use of nitrogen in air ?
What is the resulting solution when benzene and toluene are mixed ?
Is diamond element ?
What is the composition of brass ?
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