Chemistry The material used in the manufacture of lead pencil is Carbon Graphite Mica Lead Carbon Graphite Mica Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Trimethyl lead Tetramethyl lead Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its affinity for non-metal Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal Its electropositive character Its reducing character Its non-metallic character ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Hydrogen cyanide Carbon monoxide Mustard gas Water gas Hydrogen cyanide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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