Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Lead Mica Carbon Graphite Lead Mica Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Alpha particles Positron Proton Beta particles Alpha particles Positron Proton Beta particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Vinyl chloride Styrene Propane Acetylene Vinyl chloride Styrene Propane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Power alcohol Denatured spirit Rectified spirit Methylated alcohol Power alcohol Denatured spirit Rectified spirit Methylated alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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