Picric Acid

 Picric acid (from Greek pikros, “bitter”) was so named by the 19th-century French chemist Jean-Baptiste-André Dumas because of the extremely bitter taste of its yellow aqueous solution.

Picric Acid 

Dry Acid Is Highly Explosive 

Picric Acid Containers Should Be Moistened Before Opening Them 

Picric Acid: Antiseptic (Burns Treatment)

Picric Acid: Dyes

Worlds First Synthetic Dye: Colour Yellow in the year 1771

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Piezoelectric Effect

                                                                  Piezoelectric Effect

                      Word Originates From Greek Word Piezin which means to Press

Quartz Crystal Used In Piezoelectric Effect 

Piezoelectric Effect 

Mechanical Strain Produces A Voltage 

Voltage Produces A Mechanincal Strain

Clocks and Piezoelectric Effect 

Quartz Clock and Piezoelectric Effect 

1880: Piezoelectric Effect

1929: Quartz Crystal Clock 

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Proletariat

 

Bourgeois is the opposite of Proletariat

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Peppermint

 

                                                                        Peppermint Plant

Menthol: Major Compound Of Peppermint 

Menthol and Nobel Prize 

Ryoji Nyori

Menthol VS Mint 

Menthol 

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Mint is an herb plant which produces menthol. Peppermint produces high concentrations of menthol while spearmint produces menthol in lower concentrations. In contrast, menthol is an aromatic organic compound used as an essential oil. It gives a sweet and spicy flavor to food. Also, it is used in medicine and cosmetics. This is the main difference between mint and menthol.