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Q. Isolation and purification of metals?
metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metals in the Free State. Metals usually occur in nature in combined state as ores mixed with other earthy materials. The branch of science dealing with the methods of extraction of metals from their ores is called metallurgy.
Question 1: a. Describe in details the composting process. b. Odour is very often a big problem in composting facilities. Describe some odour avoidance and odour treatment
Question : (i) What do you understand by marine biodiversity? (ii) Give full nomenclature (common and scientific names) for species from marine fauna and species from mari
wat are d limitations of octet rule...??
The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.
When 100 ml of M/10 H2SO4 is mixed with 500 ml of My/10 NaOH then nature of resulting solution and normality of excess reactant left is
what could be the distillate present in acetaldehyde after preparation in lab
Compounds and IUPAC names
What is Standard deviation? Standard deviation tells about the widely spread out of the measured analytical data points. Highly precised measurements are less standard deviation.
absorption
Electrovalent compounds are: (1) Good conductor of electricity (2) Polar in nature (3) Low M.P. and low B.P. (4) Easily available Ans: Polar in nature
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