General Science Potassium Permanganate is used for purifying drinking water, because It is a reducing agent It is an oxidising agent. None of the listed here It is a sterilising agent. It is a reducing agent It is an oxidising agent. None of the listed here It is a sterilising agent. ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and Nuclei Protons only Electrons and protons Electrons only Electrons and Nuclei Protons only Electrons and protons Electrons only ANSWER DOWNLOAD EXAMIANS APP
General Science Potassium nitrate is used in Glass Salt Fertilizer Medicine Glass Salt Fertilizer Medicine ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to Absence of corresponding wavelengths from the light emitted by the core of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following was to be discovered first in the chromospheres of the sun? Neon Xenon Helium Krypton Neon Xenon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
General Science Water is a good solvent of ionic salts because It has a high specific heat It has a high boiling point It has a high dipole moment It has no colour It has a high specific heat It has a high boiling point It has a high dipole moment It has no colour ANSWER DOWNLOAD EXAMIANS APP