Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Filtration Sedimentation Flocculation Water softening Filtration Sedimentation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon monoxide Chlorine Carbon dioxide Sulphur dioxide Carbon monoxide Chlorine Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Silver Aluminium Mercury Copper Silver Aluminium Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver chloride Silver bromide Sodium chloride Silver iodide Silver chloride Silver bromide Sodium chloride Silver iodide ANSWER DOWNLOAD EXAMIANS APP