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Why the current flow is always oppositte in direction to the conventional current direction? Ans) Availability of free electrons and application of potential difference are the c
Q. Describe SI System and Standards Ans: What units you will you use science class? Long ago people decided that the "foot" must be standardized so that when I measure
diagonal relationship between boron and silicon
which is the main postulate of bohr''s model of atom
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
Labelled analyte & reagent curve nature
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
Q. Show Applications of coordination compounds? Innumerable applications of coordination compounds in fields as divergent as biology, industry. Agriculture, analytical chemist
Q. Explain about Gravity Separation? This is one of the simplest processes of concentration of ores. It is based on the difference in the specific gravities of the gangue and o
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1, hence the energy of fourth Bohr orbit would be: (1) - 41 kJ mol -1 (2) -1312 kJ mol -1 (3) -164
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