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Q. What is alpha radiation?
Types of radiation there are three principal types of radiation are given off during radioactive decay. One kind is alpha radiation (α-radiation) which consists of alpha particles ejected from the nucleus. An alpha particle is equal to a helium-4 nucleus that is a nucleus with two protons and two neutrons. Alpha particles have a 2+ charge.
The atomic number of an element is 17. The number of orbitals containing electron pairs in its valence shell is: (1) Eight (2) Six (3) Three
How To Develop A New Product The process of developing a new product comprises three phases, namely formulation or recipe development, standardization of processing methods,
Q. Explain laws of Electrolysis? Ans . A spontaneous reaction takes place by itself. Some redox reactions are not spontaneous. In a no n-spontaneous redox reaction ,
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is: (1) 11 (2) 14 (3) 16 (4) 10 An
A township of 25,000 inhabitants is to discharge treated domestic sewage to the neighboring stream which has a least flow of 0.25 m3/s and a 5-day BOD of 3 mg/L. Water consumption
describe the steps involved in a sampling operation of a chemical sample
how yield of ether is highest when the halide ion is displased from a primary rather than secondary or tertiary halide?
Distillation under reduced pressure: Distillation under reduced pressure is widely used for the purification of liquids which have very high boiling points at atmospheric pres
jack prepared copper(11) sulphate by adding a metal oxide to the acid. jill prepared sodium chloride by acid/alkali reaction. name the metal oxide and acid jack would use to mak
Curve of potential energy versus angle of internal rotation The curve of potential energy versus angle of internal rotation is essentially identical to the curve for ethane, ex
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