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Q. How many centigrams are in 5 kilograms?
Two conversion factors are essential to solve this problem. Keep in mind that there are 1000 grams in a kilogram and 100 centigrams in a gram. To conclude the number of centigrams in 1 kilogram set up the first conversion factor so that kilograms cancel out. Place up the second conversion factor so that grams cancel out.
Drying of Organic Substances- purification of organic compounds Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither
write a short note on colour and constitution
priming and foaming
The coordination number of Ni in the complex is 4, the configuration of Ni +2 , at first sight, shows that the complex is formed by sp 3 hybridization and it is paramagnetic an
Physical properties of Salicylic acid (i) Salicylic acid is a colourless needle shaped crystalline compound. (ii) Salicylic acid's m.p. is 156°C. (iii) Salicylic acid is
A water solution have 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
Q. Illustrate Law of Conservation of Mass? Ans: Conservation of Mass and Atoms: The Law of Conservation of Mass states that mass is neither created nor destroyed. Th
Coupling reaction - Miscellaneous reactions Phenol couples along with benzene diazonium chloride in existence of an alkaline solution to make a red dye (p-hydroxy azobenzene).
Fractional crystallisation- Purification of organic compound The method of separation of diverse components of a mixture by repeated crystallisations is termed as fractional cr
preparation of ethane with suitable equations (hydrogenation
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