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A natural deposit containing a mineral of an element to be extracted.

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Acidic Salt

A salt containing an ionizable hydrogen atom. Acidic salt does not necessarily produce acidic solutions.

Boron Hydrides

Binary compounds of boron and hydrogen.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Electromotive Series

The relative order of tendencies for elements and their simple ions to act as oxidizing or reducing agents, also called the activity series.

Lewis Base

Any species that can make available a share in an electron pair.

Acid

A substance that produces H+(aq) ions in aqueous solution. Strong acids ionize completely or almost completely in dilute aqueous solution. Weak acids ionize only slightly. Chemicals or substances having the property of an acid are said to be acidic.

How to keep flowers in a vase for long time

The best gift for a woman, as you know, is a beautiful bouquet of flowers. But the cut flowers at home quite quickly wither. But your favorite roses or tulips can keep their freshness if you use our advice. Chemistry and various chemical elements will help us in this difficult matter!

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Distillate

The material in a distillation apparatus that is collected in the receiver.

 

Substitution Reaction

A reaction in which an atom or a group of atoms is replaced by another atom or group of atoms.