Chemistry The third shell of an atom can have a maximum of ______ electrons 13 18 15 21 13 18 15 21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Silicon Carbon Lead Tin Silicon Carbon Lead Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Carbon dioxide Methane Sulphur dioxide Carbon monoxide Carbon dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Formaldehyde Acetaldehyde Cinnaldehyde Benzaldehyde Formaldehyde Acetaldehyde Cinnaldehyde Benzaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
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