Chemistry Which one of the following metals is used to galvanise iron ? Zinc Mercury Lead Copper Zinc Mercury Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is high Its critical temperature is low Its ignition temperature is very low Its ignition temperature is very high Its critical temperature is high Its critical temperature is low Its ignition temperature is very low Its ignition temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 818O 13H 614C 92235U 818O 13H 614C 92235U ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCO3 CaCl2 MgCl2 CaCO3 MgCO3 CaCl2 MgCl2 CaCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? DDT Carbary Parathion Lindane DDT Carbary Parathion Lindane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
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