Elements, Compounds and Mixtures (Experimental Techniques)

Elements and Compounds

An element is a pure substance which cannot be split into two or more simpler substances by any physical or chemical methods. Today, we know about the existence of 118 elements, out of which 90 are found in nature while remaining are man-made. Inside of element, you will .... Read More


As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water, minerals, soil etc. are all mixtures. A mixture consists of two or more different substances mixed together in any proportions.

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Separation Techniques

As we know naturally occurring substances are often mixed with some unwanted substances. In order to obtain a pure sample, one must remove these unwanted substances from such mixtures. The substances in a mixture are separated by the differences in their physical properties, such as their particl .... Read More

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