.PPT stands for PowerPoint Presentation. The name abbreviation makes it easy for you to recognise presentation files on your device. They appear as: [Title].PPT in your files. History of …

Pyridinium p-toluenesulfonate (PPTS) is a colourless solid salt of pyridine and p -toluenesulfonic acid. In organic synthesis, PPTS is used as a weakly acidic catalyst, providing an organic …

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