They are called cuprous and mercurous salts.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

~ The most important cuprous compound is the oxide.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

By treating cuprous oxide with different acids a number of cuprous salts can be made.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

Since they are so much more familiar than the cuprous salts, they are frequently called merely copper salts.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

The cupric salts are much the more common of the two, since the cuprous salts pass readily into cupric by oxidation.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

~ Copper, like iron, forms two series of compounds: in the cuprous compounds it is univalent; in the cupric it is divalent.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

~ Silver forms two oxides but only one series of salts, namely, the one which corresponds to the mercurous and cuprous series.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

Berkeley used to have an experiment in which Chem 1 students prepared cuprous sulfide and determined its stoichiometry ratio of Cu:S.    From Wordnik.com.  [HCR: maybe the public’s not so stupid after all] Reference

His solution differs from that of Fehling in containing ammonia, which dissolves the cuprous oxide as soon as it is formed, yielding a colorless solution.    From Wordnik.com.  [Scientific American Supplement, No. 611, September 17, 1887] Reference

The greatest care should be taken in preparing the cuprous chloride solution in making analyses and it must be known to be fresh and capable of absorbing CO.    From Wordnik.com.  [Steam, Its Generation and Use] Reference

When so altered, the solution will yield a more or less copious precipitate of cuprous oxide on merely boiling, and quite independent of the presence of glucose.    From Wordnik.com.  [Scientific American Supplement, No. 611, September 17, 1887] Reference

He continued on into the field of rectification and photo-effects at semiconductor surfaces, beginning with a study of rectification at the surface of cuprous oxide.    From Wordnik.com.  [Walter H. Brattain - Biography] Reference

The process must be carried out in the order named, as the pyrogallol solution will also absorb carbon dioxide, while the cuprous chloride solution will also absorb oxygen.    From Wordnik.com.  [Steam, Its Generation and Use] Reference

Bolivia contain sufficient copper to form the quantity of cuprous chloride requisite for the first stages of roasting, in order to render the silver contained in the ore thoroughly amenable to subsequent amalgamation.    From Wordnik.com.  [Scientific American Supplement, No. 458, October 11, 1884] Reference

Copper forms two classes of salts, cuprous and cupric.    From Wordnik.com.  [A Text-book of Assaying: For the Use of Those Connected with Mines.] Reference

The reddish color is that of cuprous oxide and the black of cupric oxide.    From Wordnik.com.  [EzineArticles] Reference

One part of copper found represents 1.68 part of cuprous oxide, or 0.19 part of oxygen.    From Wordnik.com.  [A Text-book of Assaying: For the Use of Those Connected with Mines.] Reference

The cupric oxide will flake off as it cools and the beautiful red cuprous oxide will show.    From Wordnik.com.  [EzineArticles] Reference

~ -- All commercial copper carries oxygen; most of it is present as cuprous oxide, which is dissolved by molten copper.    From Wordnik.com.  [A Text-book of Assaying: For the Use of Those Connected with Mines.] Reference

Copper salts liberate iodine; but when this has been removed by boiling and the cuprous iodide has been filtered off there is no further interference.    From Wordnik.com.  [A Text-book of Assaying: For the Use of Those Connected with Mines.] Reference

On replacing the cuprous chloride solution by bromine water, no oily drops collected in the fluid such as would have formed if an define had been produced.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

They include anhydrous ammonia, sulphur dioxide, listed as toxic; acetone, which is highly flammable; and cuprous chloride, which is very toxic to aquatic organisms.    From Wordnik.com.  [EDP24 News] Reference

Experiments have been made with Allegheny City natural gas in the following way: Gas has been caused to bubble for five weeks through ammoniacal cuprous chloride solution.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

Of the sulphide group by far the most important mineral is chalcocite (cuprous sulphide), which supplies the bulk of the values in the majority of the mining camps of the western hemisphere.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

Ammoniacal cuprous chloride, the absorbent commonly recom - mended for acetylene, although a very delicate reagent for the recognition of the gas, is at the same time slow and its action is liable to be incomplete.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

This is cuprous oxide.    From Wordnik.com.  [EzineArticles] Reference

Oxygen as cuprous oxide trace.    From Wordnik.com.  [El Kab] Reference