Sulfuric acid Sodium sulfide相关知识点: 试题来源: 解析 答案:Sulfur powder。“Sulfur powder”是硫磺粉,是黄色固体且是硫的一种形式。“Sulfur dioxide”是二氧化硫;“Sulfuric acid”是硫酸;“Sodium sulfide”是硫化钠,都不符合黄色固体且是硫的一种形式这一条件。反馈...
Rhodium platingis occasionally used on white gold, silver, or copper and its alloys. First, a barrier layer of nickel is usually deposited to prevent contamination of the rhodium bath, which slightly dissolves the aforementioned metals because of the sulfuric acid present in the bath composition. ...
aNOT USED ANYMORE BUT RECORD ANYWAY 无论如何不再使用,但记录[translate] aThe suspension was filtered, after which the cake was washed with aqueous sulfuric acid (2 · 2 mL,10 mM), then water (3 · 2 mL), and the cake filter dried in air at rt for 1 h, then dried under vacuum ov...
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aSimilar to the hydration of sulfuric acid, dissolution of solid sodium hydroxide in water is a highly exothermic reaction in which a large amount of heat is liberated, posing a threat to safety through the possibility of splashing. The resulting solution is usually colourless and odorless with ...
Another dangerous acid used to make crystalmethamphetamineis sulfuric acid, which is also a staple of the industrial sector. What is the most common use of sulfuric acid? Sulfuric acid is also a key substance in the chemical industry. It is most commonly used infertilizer manufacture, but is ...
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Sulfur dioxide gas is: A) a homogeneous mixture B) a compound C) an element D) a heterogeneous mixture E) a solid at room temperature Is sulfuric acid classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Explain. ...
Sulfate isa salt that forms when sulfuric acid reacts with another chemical. It's a broader term for other synthetic sulfate-based chemicals you may be concerned about, such as sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES). ...
Acid mine drainage happens when the iron sulfides unearthed by mining activity interact with water and air and oxidize. The process creates sulfuric acid, a highly corrosive acid capable of breaking down surrounding rocks, which can cause toxic metals to enter and eventually dissolve into the water...