Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Light metals Heavy metals Noble gases Halogens Light metals Heavy metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Zinc Iron Aluminium Copper Zinc Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Pyridine Kerosene Water Petrol Pyridine Kerosene Water Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is O-nitrophenol P-chlorophenol P-nitrophenol M-nitrophenol O-nitrophenol P-chlorophenol P-nitrophenol M-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Nylon 66 Tollen's Bakelite Terylene Nylon 66 Tollen's Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP