Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Phosphorus Silicon Graphite Sodium Phosphorus Silicon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Bakelite Terylene Nylon 66 Tollen's Bakelite Terylene Nylon 66 Tollen's ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Triethylamine Diethylamine Ethylamine Ammonia Triethylamine Diethylamine Ethylamine Ammonia ANSWER DOWNLOAD EXAMIANS APP
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