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Refers to an optically active substance that rotates the plane of plane polarized light clockwise, also called dextro.

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Emulsifying Agent

A sustance that coats the particles of the dispersed phase and prevents coagulation of colloidal particles, an emulsifier.

Barometer

A device for measuring pressure.

Chain Termination Step

The combination of two radicals, which removes the reactive species that propagate the change reaction.

Flux

A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

Weak Field Ligand

A Ligand that exerts a weak crystal or ligand field and ge- nerally forms high spin complexes with metals.

Adsorption

Adhesion of a species onto the surfaces of particles.

Substance

Any kind of matter all specimens of which have the same chemical composition and physical properties.

 

Viscosity

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

Breeder Reactor

A nuclear reactor that produces more fissionable nuclear fuel than it consumes.

Chemical Periodicity

The variations in properties of elements with their position in the periodic table.