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Aluminium metal is frequently used as a reducing agent for the extraction of metals such as Chromium, Manganese etc. Explain why? Ans) The free energy change for the formation o
all explanation
What are the main sources of electrical resistance in a metal? The factors which affect electrical resistance of a metal are impurity, temperature and alloying. Free mean path o
metals iron, aluminium, copper, gold, etc. have great industrial significants. which are their important ores? important alloys of iron, aluminium and copper and their uses.
The band model of solids is an extended of the molecular orbital (MO) method. The overlap of atomic orbitals in an extended solid produces rise to continuous bands of electronic en
how do you calculate equivalent weight of salts
Semisynthetic polymers These polymers are mainly derived from naturally taking place polymers by chemical changes. Since cellulose is naturally taking place polymers, cellulose
what is the working principle of potentiometry
Calculate the activity of nuclides: Problem: 100 mg piece of a gold ornament containing 10% copper as impurity was irradiated with thermal neutrons at 2.1×10 11 n/cm 2
Silica glass: It is produced by heating pure sand to its melting point. Because of absence of refining agents, it is extremely difficult to get rid of all air-bubbles. Moreover, o
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