Chemistry Which one of the following forms of phosphorus is most reactive? Red phosphorus Violet phosphorus Black phosphorus White phosphorus Red phosphorus Violet phosphorus Black phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphorus acid Boric acid Salicylic acid Phosphoric acid Phosphorus acid Boric acid Salicylic acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc blende Zinc carbonate Zinc sulphate Zinc oxide Zinc blende Zinc carbonate Zinc sulphate Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Cotton Terricot Nylon Rayon Cotton Terricot Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Photochemical smog Acid fumes Sulphurous smog Industrial smog Photochemical smog Acid fumes Sulphurous smog Industrial smog 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 Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP