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AS THIS ALKALI METALS HAS LARGE SIZE AND LESS IONISATION ENERGY THEY LOSE THEIR OUTERMOST ELECTRON EASILY.PHOTOELECTRIC EFFECT MEANS EJECTION OF ELECTRONS FROM A METAL WHEN THEY EXPOSED TO SUNLIGHT.SO,THESE ALKALI METALS ARE SUITABLE TO THIS PHOTOELECTRIC EFFECT.
Octane number - Characteristics of hydrocarbons It is utilized for measuring the knocking character of fuel utilized in petrol engine. The octane quantity of an offered sample
Q. Explain: Vulcanization of rubber is necessary. Ans. Importance of vulcanization of rubber: 1. Vulcanization makes cross-links between the long unsaturat
The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is: (1) 2 : 1 (2)1 : 1 (3)1 : - 1 (4)
explain roults law
thermodynamics help to be a good chemist
Q. Evlaute the Percent Error? Juan computed the density of aluminium three times. Trial 1: 2.74 g/cm 3 Trial 2: 2.68 g/cm 3 Trial 3: 2.84 g/cm 3 Aluminium has a
Explain Carbocation The mechanism is a sequence of two Brønsted acid-base reactions. In the first (step a), the double bond is protonated to give a tertiary carbocation; in the
Q. Explain Collision Theory? Ans. Why do some reactions take place faster than others? What actually happens in a chemical reaction? Consider a gaseous reaction of the typ
The wall thickness can be minimized by insulation layer The wall thickness can be minimized by insulation layers. A typical wall having of a brick layer that has a thickness of
3-methylhexane impact name
Between all metals alkali metals have certainly lesser work function than other metals.
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