Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to N2O SO3 NO2 SO2 N2O SO3 NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Opal Cat's-eye Topaz Pearl Opal Cat's-eye Topaz Pearl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Bronze Silver Brass Copper Bronze Silver Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Methyl alcohol Ethyl formate Acetylene Methane Methyl alcohol Ethyl formate Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same spin Opposite spin Same or opposite spin No spin Same spin Opposite spin Same or opposite spin No spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Ozonolysis Reaction Esterification Test Tollen's Reagent Test FeCl3Test Ozonolysis Reaction Esterification Test Tollen's Reagent Test FeCl3Test ANSWER DOWNLOAD EXAMIANS APP