Chemistry Spontaneous change is one in there is: A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is Initially weak and then become a strong electrolyte A weak electrolyte A strong electrolyte A non-electrolyte Initially weak and then become a strong electrolyte A weak electrolyte A strong electrolyte A non-electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Peat Lignite Bituminous Anthracite Peat Lignite Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LD50 NOAEL ADI LC50 LD50 NOAEL ADI LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles SO2 Photochemical smog NO2 Dust particles SO2 Photochemical smog NO2 ANSWER DOWNLOAD EXAMIANS APP
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