Chemistry What is the covalency of nitrogen in ammonia molecule 3 5 4 2 3 5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Propane Toluene Phenol Butane Propane Toluene Phenol Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Acid Plants Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Tap water Ground water Rain water Distilled water Tap water Ground water Rain water Distilled water 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 Absorption spectra Fluorescence Raman spectra Emission spectra Absorption spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
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