Study of animal behavior is called: Ethology
A process in which Easter are converted into alcohol and soap are called: Saponification
Ammonium Nitrate (Nh4No3) contain ___ percent of Nitrogen by mass: 35%
Inner shell transition in X-Rays takes place in: Heavy elements
Using spectroscopy the helium was identified in the: Sun
When an electric current passes through atomic gas under reduced pressure, the spectra observed is: Line
Balmer series of hydrogen spectrum were identified by J.J. Balmer in: 1885
Hubble is a (launched in 1990): Space telescope
The planet which revolves very slowly around the sun is: Space telescope
How many planets are present in our galaxy: 8
