Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Carbon and tin Tin and lead Zinc and lead Copper and iron Carbon and tin Tin and lead Zinc and lead Copper and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Liquified butane and isobutane Ethylene and carbon monoxide Methane and ethane Hydrogen and acetylene Liquified butane and isobutane Ethylene and carbon monoxide Methane and ethane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Neon Hydrogen Sodium Nitrogen Neon Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Ether, Ammonia Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform Ether, Ammonia Nitrogen dioxide, ether Chloroform, Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Henry Moseley Julius Lothar Meyer Dmitri Mendeleev John Dalton Henry Moseley Julius Lothar Meyer Dmitri Mendeleev John Dalton ANSWER DOWNLOAD EXAMIANS APP
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