Ionic bond,

Atoms and molecules, what are the application of law of chemical combinatio...

what are the application of law of chemical combination?

The number of quantum numbers required describe an electron, The number of ...

The number of quantum numbers required to describe an electron in an atom completely is: (1) 1          (2) 2         (3) 3     (4) 4 Ans: 4

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

Calculate the number of photons per second, What is the percentage of light...

What is the percentage of light that is engaged by the sample after a path length of 1 µm? Calculate the number of photons per second absorbed by the sample.   T

Analytical chemistry, What is T in the indicator Eriochrome Black-T used fo...

What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?

Define hoffman reaction, Hofmann elimination, also called as Exhaustive met...

Hofmann elimination, also called as Exhaustive methylation, is a process where an amine is reacted to create a tertiary amine and an alkene by treatment with excess methyl iodide f

Ratio of radii of second and first bohr orbits of h atom, Ratio of radii of...

Ratio of radii of second and first Bohr orbits of H atom: (1) 2        (2) 4        (3) 3        (4) 5 Ans: 4

Chemical methods - purification of organic compounds, Chemical methods - Pu...

Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.

S-block element, phsiscal properties &chemical propertise

phsiscal properties &chemical propertise