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Distance Between Two Points

Distance between two points can be evaluated if we know the coordinates of the two points in the XY plane. If P(x1, y1) and Q(x2, y2) are the two... View Article

Extraction of Aluminium

Aluminium is a soft, silvery-white, corrosion-resistant metal. It is the most abundant metal in the earth’s crust as it makes up 8% of the crust... View Article

Electron Affinity

Electron affinity is defined as The amount of energy released when an electron is added to a neutral atom to form an anion. The electron affinity... View Article

Salt Chemistry

Salt is an ionic compound that contains a cation (base) and an anion (acid). It is present in large quantities in seawater, where it is the main... View Article

Completing The Square Method

A polynomial equation with a degree equal to two is known as a quadratic equation. ‘Quad’ means four, but ‘Quadratic’ means ‘to make square’. A... View Article