Chemistry Lead pencil contains Ferrous sulphide Lead Lead sulphide Graphite Ferrous sulphide Lead Lead sulphide Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is x/6 7.2 x 5x 5x/36 x/6 7.2 x 5x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Anode Vessel Electrolyte Cathode Anode Vessel Electrolyte Cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Neoprene Vinyl Chloride Isoprene Acetylene Neoprene Vinyl Chloride Isoprene Acetylene ANSWER DOWNLOAD EXAMIANS APP