Which of the following types of substances are usually insoluble? a. ammonium b. sulfates c. hydroxides d. common acids e. group 1A metalsWhich of the following compounds is insoluble in water: (NH4)2CO3, K2CrO4, Sr(OH...
aThese include various salts, such as carbonates and sulfates, which may be precipitated from heated solutions, and insoluble compounds, such as "beer stone," which form on metal surfaces in contact with certain specific products. 这些包括各种各样的盐,例如碳酸盐并且硫化,也许从激昂的解答被沉淀和...
Which of the following types of substances are usually insoluble? a. ammonium b. sulfates c. hydroxides d. common acids e. group 1A metalsWhich of the following would dissolve in water? a. CCl4 b. LiCl c. CH4 d. PCl6Which of the following would di...
In an analogous manner, the diazocompound of 2-methyl-5-chloro aniline is condensed with 1,1-diethyl biguanide and 1,1-cyclopentamethylene biguanide both of which are employed in the form of the acid sulfates. The products obtained are bright yellow powders similar in their properties to the ...
sulfonates, methylacyl taurates, alkyl ether sulfates, alkyl sulfates, alkyl phosphate esters and mixtures thereof, wherein said anionic surfactants comprise an anion selected from Na, K, NH4 or N(CH2 CH2 OH)3 ; and wherein the alkyl components of said anionic surfactants are from C8 to C14...
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Answer and Explanation:1 Hard water contains elevated levels of the ions calcium and magnesium. Other metal ions may also be present, but usually calcium and magnesium are...
The distillation residue now low in pyrrole and consisting mainly of pyridine homolog sulfates or hydrochlorides is treated with alkali to liberate the nitrogen compounds which are decanted. Two products are thus recovered from the partial neutralization followed by steam distillation: a pyrrole-rich pr...
A detergent composition consisting essen- 60 tially of a neutral water-soluble salt of an alkyl aryl sulfonic acid and from about 40% to about 65% by weight of a water-soluble sulfate selected from the group consisting of alkali metal and alkaline earth metal sulfates, in which alkyl aryl ...