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fiehes test means result if positive result always color change if negative color change or not
Among the bonds formed by a chlorine atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed between (1) H- cl
Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
Name the chief ore of silver. Explain with chemical equations the extraction of silver from this ore.
The de-Broglie wavelength associated with a particle of mass 10 -6 kg moving with a velocity of 10 ms -1 , is: (1) 6.63 x 10 -22 m (2) 6.63 x 10 -29 m
Electrophilic Addition Reactions (A) Such types of reactions are generally provided by alkynes and alkenes. (B) Electrophilic addition reactions of alkynes and alkenes are m
What is doping
Lowest set of locants - IUPAC system of nomenclature while two or more substituents are present, then end of the parent chain that provides the lowest set of the locants is pre
in castner kelnar process sodium metal extract at cathode and calcium also why they do not mix if they extract at same chamber?
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