Chemistry The term 'brown air' is used for Photochemical smog Sulphurous smog Industrial smog Acid fumes Photochemical smog Sulphurous smog Industrial smog Acid fumes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Crystal violet Alizarin Aniline blue Phenolphthalein Crystal violet Alizarin Aniline blue Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Graphite Glass Steel Brass Graphite Glass Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is oxygen methane ozone helium oxygen methane ozone helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Clay and Gypsum Limestone and Clay Limestone and Gypsum Limestone, Clay and Gypsum Clay and Gypsum Limestone and Clay Limestone and Gypsum Limestone, Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP
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