Which is the basic functional group of ketones?

• C=O

Components Present In Bronze

• Cu +Sn

Components Present In Brass

• Cu & Zn

Elements kept in kerosene oil

• Na,K,I,Cs

Element kept in water

• Phosphorous

Who was the first Nobel prize winner in chemistry?

• Vant hoff

About 'Thomas Alva Edison'

Thomas Alva Edison , the famous scientist was born in Ohio.He was one of the outstanding geniuses in the history of science.The most important inventions made by Edison include the incandescent electric lamp, the phonograph, the carbon telephone transmitter & the motion picture projector.