★ Some important facts ★ *DIAMOND has maximum refractive index and due to total internal reflection,it has lusture. *CHLOROFORM in sunlight forms poisonous gas Phosgene *RED PHOSPHOROUS is used in match industry. *To avoid melting of ice GELATINE is used. *Bones contain about 58% of CALCIUM PHOSPHATE. *Vinegar contains 10% ACETIC ACID. *During cooking maximum VITAMINS is lost. *The heaviest element is OSMIUM (Os) *RADON is the heaviest gas. *SILVER is best conductor of electricity. *When cream is seperated from milk its DENSITY increases. *FERRIC CHLORIDE is used to stop bleeding. *POLONIUM has the maximum number of isotopes. *SULPHURIC ACID is known as oil of vitriol. *YELLOW PHOSPHOROUS is kept in water. *UREA was the first organic compound synthesised in the laboratory. *SODIUM is kept in kerosene. *UREA contain 46% nitrogen. *SACCHARINE is prepared from toluene. *Artificial Perfumes are prepared from Ethyl acetate. *The lightest element,least dense is LITHIUM.
Posted on: Tue, 11 Mar 2014 03:44:55 +0000
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