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Q. How reliable are measurements?
When scientists glance at measurements they want to know how accurate as well as how precise the measurements are. Accuracy demotes to how close a measured value is to an accepted value. Precision demotes to how close a series of measurements are to one another.
Precise measurements mightn't be accurate and accurate measurements might not be precise. When you made measurements you want to aim for both precision and accuracy.
chromotographic method explain
describe any three types of EDTA titrations.
ClCH 2 CH 2 CH 2 COPh + Methanoic acid ----------------> CH2-(CH2)-CH2-CO-C 6 H 6
methods of purification of organic compounds with diagrams ..
HALOGENS The halogen group (17) is the biggest electronegative in the periodic table, and all elements readily form halide ions X-. Trends in chemistry resemble those collect in
Q. Extraction of f-block element ? As all the lanthanides occur together in nature, their extraction involves two main steps: (i) separation from one another and (ii) reducti
Hi, my name is Teesta and I need your help with this question: You are asked to make 1 Liter of 5M Sodium Chloride (NaCl). How many grams of NaCl are needed?
formula of lactic acid
what is woodwards rule
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