Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/8 1/4 1/6 1/3 1/8 1/4 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Sodium Silver Aluminium Calcium Sodium Silver Aluminium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Graphite Teflon Napthalene Diamond Graphite Teflon Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Bituminous Anthracite Lignite Coke Bituminous Anthracite Lignite Coke ANSWER DOWNLOAD EXAMIANS APP
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