Chemical formula quiz

Lookatachemicalformula,andthenselectananswerfromfourselected.
Whenyourhighscoreisgoingtocomeout,Let’ssendthescoreandputyourname.
Intherankingscreen,youcancheckthehighscoreofchallengersaroundtheworld.
Youcanlearneasilyaboutchemicalformiula.

Features:
Wehavethefollowingfeatures.
Retrytheabilitytore-challengetheproblemyoumadeamistake.
Learningtheabilitytoanswerthequestions10-30random.
Historydisplayfunctionthatcanchecktheresultsofpast.
Globalrankingfunctionthattotheworldtheresultsoftheirown.
Searchfunctiontolookforitemsfromthecorrectresultscreen.