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Explain about Parke Process? Parke method for refining lead, which is also a concentration process for silver, relies upon the selective dissolution of silver in molten zinc.
Q. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
Yes, the basic character decreases due to resonace. This is because resonance is strongly linked to conjugation and hyperconjugation. Due to the pi-lp conjugation, the electon dens
write a short note on colour and constitution
Explain the following observations: (i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition element
Uses of Unsaturated halides (Halo-alkene) The major use of vinyl chloride is in the manufacture of polyvinyl chloride that is abbreviated as PVC plastic that is employed these
SOME SILVER MINES DUMP SHREDDED IRON CANS INTO PONDS CONTAING DISSOLVED SILVER SALTS. WRITE THE TWO HALF REDOX REACTIONS AND THE OVERALL BALANCED REACTION THAT EXPLAINS THE DEPOSIT
Q. Write phosphate conditioning method for water softening with suitable chemical reactions. How it is different from soda lime method. Ans. Phosphate condition
Visualisation of hybrid orbitals -C atomic orbitals Hybrid orbitals are the result of a model which combines atomic orbitals on a single atom in the ways that lead to a new se
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