Chemistry Which of the following is a natural dye ? Crystal violet Phenolphthalein Alizarin Aniline blue Crystal violet Phenolphthalein Alizarin Aniline blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 4 1 3 2 4 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Brass Carbon–dioxide Air Iron Brass Carbon–dioxide Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Butadiene Ethylene Styrene Isoprene Butadiene Ethylene Styrene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Biomass Coal Crude oil Carbohydrates Biomass Coal Crude oil Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii ANSWER DOWNLOAD EXAMIANS APP
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