Expressing the concentration of a solution:- Before we start with the concentration, we should understand the calculation of moles. A number of moles =mass of solute /Molecular mass of the substance. Example:...
Inert Pair Effect in Group 13In the modern periodic table, the elements of the boron family present in group 13 are:Boron (B), Aluminium (Al), Gallium (Ga), Indium (In) and Thallium (Tl)Their general electronic...
Questions: An isosceles trapezium is circumscribed about a circle.One of the parallel sides is thrice the other.Find the area of the trapezium its perimeter is 8 units. 1. 2√3 2. 3√3 3. 4√3...