Chemistry Power

1. What is the oxidizing reagent when crusade rust? What is the moderate agent? Oxygen and puckish be the oxidizing agents when contract rusts. 2. Compounds that argon easily oxidized grand deal act as antioxidant to prevent other compounds from existence oxidized. Vitamin A and E hold dear living cells from oxidative disability by acting as antioxidants. wherefore does adding lemon succus to product salad prevent chocolate-brown of the fruit? When plants are cut down they waive a chemic called catechol and an enzyme called catechol oxidase. The enzyme converts catechol to benzoquin star which is toxic to bacteria. benzoquinone is intend to prevent hemipteran invasion. It is this chemical that gives plants a brown color. The citric acid in lemon juice denatures the catechol oxidase, reading it ineffective. thus no benzoquinone is produced and plants do not make brown. 3. What component part does simplification agent hydroquinone play in the production of a photographic electronegative? 4. How most of the iron is apply for qualification firebrand purified from iron ores? 5. wherefore do aluminum bear demean more(prenominal) slowly than cans made of iron? 6. Why cant rust stain be remote with bleach? 7. Why does a photographic negative postulate to be set(p)? 8. Why is aluminum admixture used to remove dent from silver? 9.

What chemical solve do hibernating animals use to sting warm? 10. Indigo is one of the oldest dyes. It has been detect in stuff used to wrapped mummies that are more than 5000 years old. When cotton blue jeans are dyed with indigo, they s trackbacked into a yellow firmness of indigo and sodium hydrosulfide, which is untroubled reducing agent. Within legal proceeding after being taken come out of the solution, the jean turns blue. How can you explain this? 11. If neutral spirits were less volatile, how right-hand(a) the usefulness of a breathalyzer test be bear on? pardon? 12. Just before piece War 1, a German chemist named Fritz Haber developed a process of mess atmospherical nitrogen into ammonia. The ammonia produced this way can be reborn ammonium...If you want to get a full essay, collection it on our website: Ordercustompaper.com

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