Example on law of conservation of mass, Q. Example on Law of Conservation o...

Q. Example on Law of Conservation of Mass? A slim strip of iron with a mass of 15.72 g is placed in to a solution containing 21.12 g of copper and copper (II) sulphate begins t

Chlorination, 90ml of an unknown concentrated chlorine was diluted with 225...

90ml of an unknown concentrated chlorine was diluted with 2250l of water.The dilution now is 0.08mg/l. what is the initial concentration of the chlorine before dilution?

Solid state: silver density, Silver has a density of 10.5gcm -3 . The no. ...

Silver has a density of 10.5gcm -3 . The no. of silver atoms on a surface area of 10-12m 2 can be expressed in scientific notation aas y x 10x.The value of x is ..? Ans) d = m

Ionic bond,

Electronic configuration of deuterium atom, Electronic configuration of deu...

Electronic configuration of deuterium atom is: (1) 1s 1                    (2) 2s 2                  (3) 2s 1                      (4) 1s 2 Ans: 1s 1

Hund''s rule which element contains six unpaired electron, Following Hund's...

Following Hund's rule which element contains six unpaired electron: (1) Fe     (2) Co       (3) Ni    (4) Cr Ans: Cr

Preparation of dimethylbutan, Preparation of dimethylbutan: Procedur...

Preparation of dimethylbutan: Procedure: Prepare a mixture of 3,3-dimethylbutan-2-one (trivial name pinacolone; 20.0 g, 0.200 moles), redistilled benzaldehyde (24.0 g,

Plunck''s quantum theory of radiation, which of the following is not a char...

which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e

Chemical combination, what are differences and similarities between covalen...

what are differences and similarities between covalent bond and electrovalent bond

Physical, Ask quschrodinger wave equationestion #Minimum 100 words accepted...

Ask quschrodinger wave equationestion #Minimum 100 words accepted#