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The radius of the nucleus is related to the mass number A by : (1 )R= R 0 A 1/2 (2) R= R 0 A (3) R= R 0 A 2
Q. Explain about Pyrometallurgy? Tri pyrometallurgy, the concentrated ore is heated up to a high temperature and reduction is done with a appropriate reducing agent. The differ
what are the limitation and uses of triiodomethane
Physical properties of Halo-arenes (i) Physical state: they are colourless liquid or crystalline solid. (ii) Solubility: Halo-arenes are not soluble with water, but dissolve
Carboxylic group,amino group,ester group,amide group group are key functional groups in aspartame although phenol is present it is not a functional group.
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
90ml of an unknown concentrated chlorine was diluted with 2250l of water.The dilution now is 0.08mg/l. what is the initial concentration of the chlorine before dilution?
what are the periodicity of periodic properties in d and f block elements?
silicon carbide is prepared using the chemical reaction SiO2+3C producing SiC+2CO so how many grams of SiC can be produced from 15 grams of C
What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
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