Chemistry Which of the following is not a noble gas ? Hydrogen Neon Helium Argon Hydrogen Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitrates Nitrites Ammonia Nitramines Nitrates Nitrites Ammonia Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 Fe3O4 Fe2O3 FeCO3 FeS2 Fe3O4 Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by nucleotides DNA molecules enzymes RNA molecules nucleotides DNA molecules enzymes RNA molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Chromite Bauxite Mica Manganese Chromite Bauxite Mica Manganese ANSWER DOWNLOAD EXAMIANS APP