Chemistry Which of the following is a natural dye ? Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 8 electron 3 electron 10 electron 5 electron 8 electron 3 electron 10 electron 5 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Oxidising property Acidic property Reducing property Basic property Oxidising property Acidic property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.01 0.21 1 0.78 0.01 0.21 1 0.78 ANSWER DOWNLOAD EXAMIANS APP