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Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
Physical properties of Glucose 1. Glucose is a colourless crystalline solid, melts at 146° C. 2. Glucose is readily soluble in water. 3. From aqueous solution,Glucose se
# what are supersaturated vapours
Q. What is paired comparison test? In paired comparison test, the assessor is presented with two products and asked to indicate whether there is a preference between them.
the value of charge on the oil droplets experimentally observed were -1.6*10-19 and -4*10-19coulomb. the value of the electronic charge,indicated by these results is
Assume that we want to make buffer by dissolving in water some amount of the compound which we selected by the table as given below; After that adding either strong acid (f
acs exam
Wet test for basic radicals
role of silica in cupper abstraction
Use of the Grignard solution to prepare 2,2,6-trimethyl-5-phenylheptan-3-one: Prepare a solution of your enone (5.64 g; 0.030 moles) in dry ether (30 mL) and add it to the dro
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