Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Aluminium Lead Arsenic Mercury Aluminium Lead Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Julius Lothar Meyer John Dalton Dmitri Mendeleev Henry Moseley Julius Lothar Meyer John Dalton Dmitri Mendeleev Henry Moseley ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Ag Ca Fe Zn Ag Ca Fe Zn ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 18 32 8 2 18 32 8 2 ANSWER DOWNLOAD EXAMIANS APP
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