questionFromString.label: SSC CPO (Shift-1)

Who amongst the following gave the 'Periodic Law'?

1:

Carlton McGee

2:

Emil Fischer

3:

Charles Darwin

4:

Dmitri Mendeleev

solution.label:
chapterName.label: Science

questionFrom.label

SSC CPO (Shift-1)

Attempt.label

moreQuestionFromPaper.label

prepsutra-app-download android ios

downloadApp.label

androidIOSApp.label