Definitionn. a light soft silver-white metallic element of the alkali metal group
Last update: November 3, 2015
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It is slightly soluble in potassium sulphide. [Please select]
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If it is desired to preserve the specimens, they should be killed either with cyanide of potassium, ether, or chloroform. [Please select]
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The best remedy is probably a solution of sulphuret of potassium. [Please select]
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It consists principally of salts of potassium, calcium and aluminum, with, of course, sulphur. [Please select]
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The caustic alkalies; sodium hydroxide, NaOH, or potassium hydroxide KOH, have a most deleterious action on wool. [Please select]
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On this fact depends the process of mordanting wool with potassium bichromate, alum, alumina sulphate, ferrous sulphate, copper sulphate, etc. [Please select]
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The normal salts of the alkaline metals, such as sodium chloride, potassium sulphate, sodium sulphate, etc. [Please select]
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Other important materials may be mentioned, such as _magnesium, potassium, sodium, iron, carbon, sulphur, hydrogen, chlorine, nitrogen_. [Please select]
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| 50 | -10 Sal ammoniac, 1 part; salt-peter 1 part; | | water 1 part | 46 | -11 Ammonium nitrate, 1 part; water 1 part | 50 | -3 Potassium hydrate, 4 parts; snow 3 parts | 32 | -35 -----------------------------------------------+---------+------------ IGNITION TEMPERATURES. [Please select]
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--Purchase an ounce or two of the cyanide of potassium, and immediately put it into a stoppered or well-corked bottle. [Please select]
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