1)What happens, if you take a Fructose - solution and add hydrochloric acid and resorcin to it ?
2) What happens, if you take a Lithium - solution and add NaOH and a phosphat ?
3) How many electrons does Fe2+ have?
4)What is the highest enlargement of an light microscope for highest quality?
5) Solve this chemical equation ( easy) : 2Co + 2O2 ↔
6) Solve this chemical equation ( medium) : SrO + h2O ↔
7) If a aliphatic acid and an alcohol react, what develops?
i need those answers so badly :D
1) Seliwanoff's test- ketoses like sugar dehydrated faster than aldoses.After that it reacts with Resorcinol to give deep red cherry color.
http://en.wikipedia.org/wiki/Seliwanoff%27s_test
2)insoluble lithium phosphate will form
3) two electrons are lost by Fe so 26-2
5)oxide of cobalt if it is Co(cobalt)-CoO
6)hydroxide of Sr -Sr(OH)2
7)famous esterification reactions
Thank you so much mam :D