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Favourable conditions for electrovalency are: (1) Low charge on ions, large cation, small anion (2) High charge on ions, small cation, large anion (3)High charge on ions,
Q. a. What is the origin of fossil fuels? b. List three fossil fuels. c. Are fossil fuels a renewable resource? Answer: a. Coal, natural gas and oil. b. Fossil fue
Zeroth law of thermodynamics
This among the following elements has the tendency to form covalent compounds: (1) Ba (2) Be
Addition reactions - Organic Chemistry Addition reactions are given by those compounds that have at least one p bond, i.e.,
Till 20elememts write the no of electrons in outermost shell.if less than 4 then this is the valency otherwise subtract from 8
Uses of Alkenes (i) Alkenes are used for the manufacture of polythene - a plastic material; (ii) Alkenes are used for artificial ripening of fruits; (iii) Alkenes are us
Chemical kinetics is study of the rates of chemical processes. The detailed explanation at molecular leve
chemical & physical properties of p block elements
The increasing order (lowest first) for the values of e/m (charge/mass) for: (1) e,p,n,a (2) n,p,e,a, (3) n,p,a,e,
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