Chemistry Which of the following is a natural dye ? Crystal violet Phenolphthalein Alizarin Aniline blue Crystal violet Phenolphthalein Alizarin Aniline blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Lead oxide Manganese dioxide Zinc Lead Lead oxide Manganese dioxide Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Lead Tin Zinc Copper Lead Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecule which has the highest percentage of ionic character among the following is HBr HCI HF HI HBr HCI HF HI ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Arsenic Algae Bacteria Dust Arsenic Algae Bacteria Dust ANSWER DOWNLOAD EXAMIANS APP