The quantum number n2 which produces this transition, The frequency of one ...

The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6               (2) 5

Water pollution, what are the main water pollutants

what are the main water pollutants

Ionic bond,

Carbon is present as graphite in white cast iron , Cast iron is iron or a f...

Cast iron is iron or a ferrous alloy which has been heated until it liquefies, and is then poured into a mould to solidify. It is usually made from pig iron. The alloy constituents

Sodium alkyl benzene sulphonates, Sodium alkyl benzene sulphonates Sodi...

Sodium alkyl benzene sulphonates Sodium p-dodecyl benzene sulphonate abbreviated as S.D.S. work as a good detergent. It is most broadly used since 1975. These long chai

Define homogeneous mixture, Q. Define homogeneous mixture ? A homogeneo...

Q. Define homogeneous mixture ? A homogeneous mixture is one which has a constant composition throughout. By mixed sugar in water you create a homogeneous mixture. A homogeneo

Number of protons, Number of protons, neutrons and electrons in the element...

Number of protons, neutrons and electrons in the element  231/89 y is: (1) 89, 231, 89   (2) 89, 89, 242    (3) 89, 142, 89       (4) 89, 71, 89 Ans:  89, 142, 89

Addition catalysed by base - aldehydes and ketones, Addition catalysed by b...

Addition catalysed by base - Aldehydes and Ketones In the existence of a base one equivalent of an alcohol reacts along with only one equivalent of the carbonyl compound. The p

Organic chemistry, classification of organic chemistry

classification of organic chemistry

Calomel electrode, Construction and working of calomel electrode with a lab...

Construction and working of calomel electrode with a labelled diagram