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Q. Explain about Conservation of Mass?
Conservation of Mass above two centuries ago chemists established a fundamental law called the law of conservation of mass.
This law states that throughout a chemical reaction mass is neither lost nor gained. In other sense all the matter present at the start of a reaction still exists at the end of the reaction. The law of conservation of mass is able to be stated in mathematical form as follows
Mass reactants = Mass products
General Tests of Esters (a) Esters has sweet smell (b) Esters is neutral towards litmus (c) A pink colour is developed while one or two drops of phenolphthalein are adde
Q. What are the Cationic and neutral ligands? The names of all anionic ligands end in '0' replacing the final 'e' in endings. Sometimes endings are also changed. Thus the given
4-nitrotolouene ---> LiAlH 4 converts it to 4-aminotoluene ----> Add HNO 2 and it forms -----> diazonium salt ------> add H 3 PO 2 to get Toluene -----> add Br 2 /CCl 4 - 2
Q. Name the plant based sources of antioxidants? Name the plant based sources of the following antioxidants: Vitamin C, lycopene, isoflavones and organo sulphur compounds.
Illustrate process of extrusion. In this process a round heated billet of metal which is placed in a container is forced out through a die in a press. This process is normally
Q. What is SI unit of energy? Ans. The SI unit of energy is called the joule. A joule is a pretty small mount of energy so often chemists will use the unit kJ =1 kilojoule
Iodine is used as an antiseptic treatment, but it can be poisonous if taken internally! Be sure that the solution is handled with care, and avoid all direct contact with the soluti
RNA nucleotides Base + Ribose → (Nucleoside) + Phosphoric acid → Nucleotide
assignment of vbt
Methods of showing concentrations of solutions The concentration of a solution can be provided in various ways. (A) Percent by mass (B) Molarity (C) molality (D) Mo
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