The uncertainty principle and the concept of wave nature, The uncertainty p...

The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1)  Heisenberg, de Broglie (2) de-Broglie, Heisenberg

Aromatic nitro compounds, why are aromatic nitro compounds pale yellow in c...

why are aromatic nitro compounds pale yellow in colour

The number of electrons in, The number of electrons in [ 40 19 k ] -1   i...

The number of electrons in [ 40 19 k ] -1   is: (1) 19      (2) 20      (3)18     (4)40 Ans: 40

Thermodaenamics,

Practical, How I write chm practice khata

How I write chm practice khata

Chemical kinetics, Distinguish between van''t Hoff Method and Oswald Isolat...

Distinguish between van''t Hoff Method and Oswald Isolation Method. In each case give an expression for the rate of reaction.

Relative density of mercury, The temperatre of an air bubble while rising f...

The temperatre of an air bubble while rising from bottom to surface of lake remains constant but its diameter is doubled . if the pressure is equivalent to h meter of mercury colum

Periodic table, In a period, the element with maximum atomic volume belongs...

In a period, the element with maximum atomic volume belongs to which group?

Benzaldehyde, Preparation of benzaldehyde by etard''s reaction

Preparation of benzaldehyde by etard''s reaction

Determine the coordination number of hcp, Determine the Coordination number...

Determine the Coordination number (CN) of HCP  In HCP unit cell, the base centered atom touches six corner atoms in the similar plane, three atoms in a plane above and thre