Chemistry The purest form of water in nature is Rain water River water Sea water Lake water Rain water River water Sea water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Neoprene Vinyl Chloride Isoprene Acetylene Neoprene Vinyl Chloride Isoprene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Fluorine Chlorine Sulphur Nitrogen Fluorine Chlorine Sulphur Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Potassium Beryllium Magnesium Aluminium Potassium Beryllium Magnesium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Longer Of same lenght Shorter None of these Longer Of same lenght Shorter None of these ANSWER DOWNLOAD EXAMIANS APP
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