General Science Potassium Permanganate is used for purifying drinking water, because It is a reducing agent It is a sterilising agent. None of the listed here It is an oxidising agent. It is a reducing agent It is a sterilising agent. None of the listed here It is an oxidising agent. ANSWER DOWNLOAD EXAMIANS APP
General Science What is the unit for measuring the amplitude of a sound? Cycles Hum Coulomb Decibel Cycles Hum Coulomb Decibel ANSWER DOWNLOAD EXAMIANS APP
General Science The wavelength of X-rays is of the order of 1 angstrom 10 micron 1 m 1 cm 1 angstrom 10 micron 1 m 1 cm ANSWER DOWNLOAD EXAMIANS APP
General Science How many colours the sunlight spectrum has? Five Four Seven Three Five Four Seven Three ANSWER DOWNLOAD EXAMIANS APP
General Science The group of metals Fe, Co, Ni may best called as Rare metals Main group metals Transition metals Alkali metals Rare metals Main group metals Transition metals Alkali metals ANSWER DOWNLOAD EXAMIANS APP
General Science Water is a good solvent of ionic salts because It has a high dipole moment It has no colour It has a high boiling point It has a high specific heat It has a high dipole moment It has no colour It has a high boiling point It has a high specific heat ANSWER DOWNLOAD EXAMIANS APP