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

#radiomatric titration, Advantages of radiometric titration

Advantages of radiometric titration

Ionisation energy, give two reasons why it is necessary to ionize the chrom...

give two reasons why it is necessary to ionize the chromium atoms

Ionic bond,

Storehouse of minerals, Q. Storehouse of minerals? in addition to the e...

Q. Storehouse of minerals? in addition to the earth's crust, oceans also provide a huge storehouse of minerals in which the metals occur primarily as soluble sulphates and hali

Starch - polysaccharide or starch and cellulose, Starch and its derivative...

Starch and its derivatives Starch is a white amorphous substance along with no taste or smell. While heated to a temperature among 200-250 o C it changes into dextrin. At large

Rayon., what is rayon?what are the things made of it?

what is rayon?what are the things made of it?

I.u.p.a.c secondary suffix , Secondary suffix name

Secondary suffix name

Which of the following electronic configuration, Which of the following ele...

Which of the following electronic configuration is not possible: (1)  1s 2 2s 2                           (2)  1s 2 2s 2   2p6                   (3) [Ar]3d 10 4s 2 4

The energy of a photon is calculated, The energy of a photon is calculated ...

The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv