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A favourable interaction of two electrons with opposite m , values in the same orbital.

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Heterocyclic Amine

Amine in which the nitrogen is part of a ring.

Explosive

A chemical or compound that causes a sudden, almost instantaneous release or pressure, gas, heat and light when subjected to sudden shock, pressure, high temperature or applied potential.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.

Gel

Colloidal suspension of a solid dispersed in a liquid, a semirigid solid.

Molar Solubility

Number of moles of a solute that dissolve to produce a litre of saturated solution.

Viscosity

Resistance offered by the molecules of a liquid to flow is termed as viscosity.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Fluids

Substances that flow freely, gases and liquids.

Cohesive Forces

All the forces of attraction among particles of a liquid.

Barometer

A device for measuring pressure.