Existence of positively charged nucleus was established by, Existence of po...

Existence of positively charged nucleus was established by: (1) Positive ray analysis   (2) α -ray scattering experiments    () X-ray analysis (4) Discharge tube exper

Show the chemical properties of group 13, Q. Show the Chemical Properties o...

Q. Show the Chemical Properties of Group 13? Elements of Group 13 are comparatively less reactive than the alkali and alkaline earth metals of Groups 1 and 2 However, the +acti

Uses of BHC,

Explain bond energy, The amount of energy released when one mole of bonds a...

The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.

Crystallization, explain crystallization as a method of separating mixture

explain crystallization as a method of separating mixture

Symmetry operations, what are the symmetry operations of N2O5 and C2H2

what are the symmetry operations of N2O5 and C2H2

Definition of avogadros hypothesis, Q. Definition of Avogadros Hypothesis? ...

Q. Definition of Avogadros Hypothesis? Ans. Equal volumes of different gases at the same temperature and pressure contain the same number of molecules. At a given temperatu

Organic, chain shortening in aldoses

chain shortening in aldoses

Show sulphide minerals, Q. Show Sulphide Minerals? In these minerals me...

Q. Show Sulphide Minerals? In these minerals metals are present as their sulphides. For example, iron pyrites (FeS 2 ), calcocite (CU 2 S), chalcopyrite (CuFeS 2 ), zinc blende

Estimation of synthetic food colours in foods, Q. Estimation of synthetic f...

Q. Estimation of synthetic food colours in foods? Food colours in various products need to be isolated, identified and then quantitatively measured for their limits. Estimatio