identification of paints and greases. In the classification of substances as metals‚ non metals and volatile substances‚ he discuss three distinct types of substances based on their properties:- 1.Spirits: i.e. those which vapourised on heating‚ like camphor‚ arsenic and ammonium chloride. 2.Metals:- eg. Gold ‚Silver‚ Lead‚ Copper and Iron. 3.The Compounds That Can Be Converted Into Powders. He wrote many books on chemistry among which “Kitab al Kemia” and “Kitab al Sabeen” where translated into latin
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responsible for the sense of smell. The cavity of the nose is lined with mucous membranes that have smell receptors connected to the olfactory nerve. Fun Fact: *The smell receptors are sensitive to seven types of sensations that can be characterized as camphor‚ musk‚ flower‚ mint‚ ether‚ acrid‚ or putrid. 3.) Tongue -The receptors for taste‚ called taste buds‚ are situated chiefly in the tongue‚ but they are also located in the roof of the mouth and near the pharynx. They are able to detect four basic
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Black Death in the middle ages. Very few work‚ as no one knew that the majority of the plague was transmitted by fleas. People burned a great number of things to ward of the plague. They included juniper‚ laurel‚ pine‚ beech‚ lemon leaves‚ rosemary‚ camphor and sulfur. Church bells were rung at all times‚ as were cannons fired. Medieval people bought charms and spells and syrups from traveling salesmen who guaranteed that their cures would work. Some who could afford it wore long leather cloaks with
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Usually the more expensive the essential oil‚ the less of it you will need to use. There are also many different families of aromatherapy smells. Citrus‚ Floral‚ Veracious‚ Camphor‚ Spicy‚ Resin‚ Woody‚ and Earthy are the majority of the aromatherapy smells. There are approximately 400 plants that can actually produce essential oils and we only use about 300 of them. Essential oils also contain many therapeutic properties. Therapeutic
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one of the examples that Jane Goodall used was after World War II‚ the city Nagasaki‚ one of the cities hit by the two atomic bombs‚ was left in rubble. "Scientists predicted that nothing would grow for decades. But‚ amazingly‚ two 500-year-old camphor trees survived. Only the lower halves of their trunks remained‚ and from those most of the branches had been torn off. Not a single leaf remained on the mutilated trees. "(The Book of Hope 7). But‚ soon later the truth began to sprout and today it
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FERMENTED FOOD JALEBI HISTORY The oldest reference of jalebi was cited in 13th century in a cookbook written by Muhammad Bin Hasan from Iran. In Iran‚ this sweet was traditionally prepared on the occasion of Ramadan to distribute among the poor. At that time it was known as ‘Zlebia’‚ but later the name become ‘jalebi’ as most Indian languages replace ‘z’ by ‘j’. In context of Indian cuisine‚ the reference of the sweet was first seen in ‘Priyamkarnrpakatha’. It is a Jain work composed in 1450 AD
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Its overall flavor profile relies heavily on clove and it could be said that all the other spices operate as background notes. Among the more prominent non-clove spices are cinnamon and nutmeg. The clove brings its peppery and camphor-heavy bitterness but is sweetened by the cinnamon and nutmeg. This spice blend can transform pancakes into a warm‚ sweetly aromatic treat that is good at any time of year but that is especially enjoyable in the fall. If you want to make your recipe
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differences between the book and movie‚ both supposedly based on the book‚ is the details of many events. In the book the Eloi do not speak English‚ the Morlock’s are white‚ the time traveler travels to the palace of green porcelain to get weapons and camphor‚ and finally the Eloi are completely complacent‚ they never fight the Morlocks. Meanwhile‚ in the movie‚ the Eloi not only speak English‚ but can understand the time traveler and the more complicated speech that Time Traveler uses. The Morlock’s are
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Steam Distillation of Lemongrass Oil I. Introduction When a mixture of cyclohexane and toluene is distilled‚ the boiling point of these two miscible liquids is between the boiling points of each of the pure components. By contrast‚ if a mixture of benzene and water (Immiscible liquids) is distilled‚ the boiling point of the mixture will be found below the boiling point of each pure component. Since the two liquids are essentially insoluble in each other‚ the benzene molecules in a droplet of
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Ronak Parikh U30682934 Experiment 2: Diels-Alder Reaction: Synthesis of cis-Norbornene-5‚6-endo-dicaroboxylic anhydride Introduction: The main goal of this experiment is to perform a Diels-Alder reaction between 2‚3-dimethyl-1‚3-butadiene and maleic anhydride‚ identify the product and hydrolyze to form the dicarboxylic acid. Diels alder reactions are classified as pericyclic reaction‚ which is a reaction which involves a cyclic rearrangement of bonding electrons‚ which means
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