In a chemical experiment, when a metal reacts with an acid, bubbles are produced. This indicates that a(n) ___ reaction is taking place. A. oxidation B. reduction C. combination D. decomposition 相关知识点: 试题来源: 解析 A。本题主要考查化学反应类型。氧化反应是指物质与氧发生的化学反应...
(b) When nitric acid reacts with magnesium metal, magnesium nitrate and a gas is formed.(i) Describe a test to confirm the identity of this gas.test.. Introduce a lighted splint.observation...The gas will extinguish a lighted splint with a 'pop' sound.[2](ii) When magnesium metal...
<p>To determine when hydrogen gas is produced during the reaction of metals, we can analyze the reactions of metals with acids, bases, and salts. Here’s a step-by-step solution:</p><p><strong>Step 1: Understand the Reactions</strong> - <strong>Metals an
What happens when alkali metals react with molecular hydrogen? Alkali Metals: Alkali metals are elements of group 1.They are called alkali metals because the hydroxides they form on reaction with water, is highly alkaline in nature. The elements listed below constitute group 1 elements and are...
What is calcium bicarbonate's common name? Which of these elements react most aggressively with water? A. Aluminum B. Carbon C. Calcium D. Chlorine E. Copper F. Mercury G. Iodine H. Potassium I. Lithium J. Oxygen K. Lead L. Strontium M. Zinc ...
These free lipid radicals will react with oxygen, whereby lipid peroxyl radicals are formed. Subsequently, the peroxyl radicals will react with a new lipid molecule, whereby the lipid hydroperoxides (peroxides) are formed. The peroxides are also termed primary oxidation products and they are ...
- When these metals react with oxygen, they can form superoxides (e.g., KO2, RbO2, CsO2). - Superoxides contain the superoxide ion (O2^-), which is larger than the oxide ion (O2-) and peroxide ion (O22-). 5. Conclusion: Therefore, the alkali metals that form superoxides when ...
a人机交互与界面设计 Man-machine interaction and contact surface design[translate] amy favouite foot 我的favouite脚[translate] aWhen we use metal ,it is important to know they react with different substances, for example,water and oxygen. 当我们使用金属时,知道是重要的他们起反应用不同的物质,例如...
In this process, oxidation plays a key role since both the bronze bond and the titanium workpiece chemically react with oxygen. The oxidation effect is intensified further due to increased temperatures during grinding and can cause tribo-oxidation. This wear effect can be reduced ...
Chemical reactions occur when a substance either shares or donates electrons with another substance. They involve the breaking of old chemical bonds and the creation of new ones.Answer and Explanation: When chlorine reacts with hydrogen the product formed is hydrogen chloride(HCl). This compound is...