Chemistry Which one element has the lowest electronegativity value Radium Francium Fluorine Chlorine Radium Francium Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Protein Hydrocarbon Carbohydrate Ester Protein Hydrocarbon Carbohydrate Ester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Cane-sugar Blood Sodium chloride Urea Cane-sugar Blood Sodium chloride Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 3 billion years 100 years 0.01 minute 13 days 3 billion years 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Aniline blue Crystal violet Phenolphthalein Alizarin Aniline blue Crystal violet Phenolphthalein Alizarin ANSWER DOWNLOAD EXAMIANS APP