The number of Π-electrons in the molecules of aromatic compound is (4n + 2), where n is an integer (n=O,1,2, ... ). This is referred as Hiickel rule.
CTET Solved Paper MCQ - UPTET October 2017 Paper2
Rutherford's alpha (α) particle
scattering experiment resulted into the
discovery of nucleus in the atom.
Air is not a heterogeneous mixture. Air is a mixture of gas in gas. Air is a homogeneous mixture of a number of gases.
Silk farming is called sericulture.
In this silk producing direct Bombyx mori is cultured on Melhurry leaves. It's pupa produce silk as cocoon stage.
In this silk producing direct Bombyx mori is cultured on Melhurry leaves. It's pupa produce silk as cocoon stage.
All organisms belonging to the kingdom Protista are unicellular and eukenyotic e.g. Euglena, Paramecium and Amoeba.
