concentrated sulphurinc acid

简明释义

浓硫酸

英英释义

例句

1.When working in the lab, always handle concentrated sulphuric acid 浓硫酸 with gloves and goggles.

在实验室工作时，始终佩戴手套和护目镜处理浓硫酸。

2.In case of a spill, neutralize concentrated sulphuric acid 浓硫酸 with baking soda before cleaning it up.

如果发生泄漏，先用小苏打中和浓硫酸，然后再进行清理。

3.The reaction of concentrated sulphuric acid 浓硫酸 with metals can produce hydrogen gas.

与金属反应时，浓硫酸会产生氢气。

4.The concentrated sulphuric acid 浓硫酸 is used to dehydrate sugars in organic chemistry experiments.

在有机化学实验中，浓硫酸用于脱水糖类。

5.Always store concentrated sulphuric acid 浓硫酸 in a cool, dry place away from incompatible materials.

始终将浓硫酸存放在阴凉、干燥的地方，远离不相容的材料。

作文

In the realm of chemistry, certain substances hold significant importance due to their unique properties and applications. One such substance is concentrated sulphuric acid, which is known for its strong acidic nature and ability to act as a dehydrating agent. This chemical compound, with the formula H₂SO₄, is a colorless, oily liquid that is highly corrosive and can cause severe burns upon contact with skin. Understanding the characteristics and uses of concentrated sulphuric acid is crucial for anyone studying chemistry or working in related fields.The production of concentrated sulphuric acid involves the oxidation of sulfur dioxide, which is then combined with water. Due to its highly exothermic reaction when mixed with water, it is essential to add acid to water rather than the other way around. This practice helps prevent violent splattering and potential accidents in the laboratory.One of the most notable properties of concentrated sulphuric acid is its ability to absorb moisture from the air. This hygroscopic nature makes it an excellent dehydrating agent, which is why it is often used in various industrial applications. For instance, it is commonly employed in the production of fertilizers, particularly phosphoric acid, which is vital for agriculture. Additionally, concentrated sulphuric acid plays a key role in the manufacture of explosives, dyes, and detergents, showcasing its versatility in the chemical industry.Moreover, concentrated sulphuric acid is also utilized in laboratories for various experiments and reactions. Its strong acidity allows it to protonate organic compounds, facilitating numerous chemical reactions. In organic chemistry, it is often used as a catalyst in the synthesis of esters and in dehydration reactions, where it removes water from compounds to form alkenes.However, the handling of concentrated sulphuric acid requires strict safety precautions due to its highly corrosive nature. Protective gear such as gloves, goggles, and lab coats must be worn to prevent any accidental exposure. In case of contact with skin or eyes, immediate flushing with copious amounts of water is necessary, and medical attention should be sought if burns occur. Additionally, it is crucial to work in a well-ventilated area or under a fume hood to avoid inhaling toxic fumes that may be released during its use.In conclusion, concentrated sulphuric acid is a powerful chemical that plays a vital role in both industrial and laboratory settings. Its unique properties make it indispensable for various applications, from fertilizer production to organic synthesis. However, the potential hazards associated with its use cannot be overlooked. A thorough understanding of concentrated sulphuric acid and adherence to safety protocols are essential for anyone working with this chemical. As we continue to explore the fascinating world of chemistry, knowledge about such substances will undoubtedly enhance our ability to innovate and apply scientific principles effectively.

在化学领域，某些物质因其独特的性质和应用而具有重要意义。其中一种物质是浓硫酸，它以其强酸性和作为脱水剂的能力而闻名。这种化合物的化学式为H₂SO₄，是一种无色、油状的液体，具有高度腐蚀性，接触皮肤时会导致严重烧伤。理解浓硫酸的特性和用途对于任何学习化学或在相关领域工作的人来说都是至关重要的。浓硫酸的生产涉及二氧化硫的氧化，然后与水结合。由于与水混合时反应放热极强，因此必须将酸加入水中，而不是相反。这一做法有助于防止实验室中的剧烈飞溅和潜在事故。浓硫酸最显著的特性之一是其从空气中吸收水分的能力。这种吸湿性使其成为一种优秀的脱水剂，这就是为什么它常用于各种工业应用的原因。例如，它通常用于肥料的生产，特别是磷酸，这对农业至关重要。此外，浓硫酸在炸药、染料和清洁剂的制造中也发挥着关键作用，展示了其在化学工业中的多功能性。此外，浓硫酸在实验室中也被用于各种实验和反应。它的强酸性使其能够质子化有机化合物，从而促进众多化学反应。在有机化学中，它常用作催化剂，用于酯的合成和脱水反应，在这些反应中，它从化合物中去除水以形成烯烃。然而，处理浓硫酸需要严格的安全预防措施，因为其高度腐蚀性。必须佩戴保护装备，如手套、护目镜和实验服，以防止任何意外接触。如果接触到皮肤或眼睛，必须立即用大量水冲洗，并在发生烧伤时寻求医疗帮助。此外，在使用过程中，务必在通风良好的区域或通风柜下工作，以避免吸入可能释放的有毒烟雾。总之，浓硫酸是一种强力化学品，在工业和实验室环境中发挥着至关重要的作用。其独特的性质使其在从肥料生产到有机合成等各种应用中不可或缺。然而，与其使用相关的潜在危害不能被忽视。深入了解浓硫酸并遵循安全规程是任何与该化学品打交道的人的基本要求。随着我们继续探索迷人的化学世界，对这些物质的知识无疑将增强我们有效创新和应用科学原理的能力。