相关知识点: 试题来源: 解析 答案见上 结果一 题目 单句语法填空Some metals can reactcold water,such as potassium, sodium and calcium. 答案 with相关推荐 1单句语法填空Some metals can reactcold water,such as potassium, sodium and calcium.反馈 收藏 ...
Melts to form a silvery ball, which moves about very quickly on the water surface with a hissing sound, and it burns with a lilac flame. Na Sodium reacts with cold water in a similar way as potassium, but less vigorously. Burns with a golden yellow flame. Ca Sinks to the bottom. Col...
How do metals react with water? Many metals react with water.The metal makes the water become an alkaline solution – a metal hydroxide solution. Hydrogen gas is given off. Metal + watermetal hydroxide + hydrogen Some metals (eg caesium) react so violently with water that they are dangerous...
Metals form a reactivity series which can be used to predict their reactions. The most reactive metals, such as sodium, will react with cold water to produce hydrogen and the metal hydroxide. See how much you know from your Science lessons with this quiz.1 . Metal carbonates react w...
React with cold water Electrolysis (a.k.a. electrolytic refining) Rubidium Rb Rb+ Potassium K K+ Sodium Na Na+ Lithium Li Li+ Barium Ba Ba+ Strontium Sr Sr+ Calcium Ca Ca+ Magnesium Mg Mg+ reacts very slowly with cold water, but rapidly in boiling water, and very vigorously with aci...
Here is a table with the metals that react most at the topa, and the metals that react least at the bottom.Reaction with Metal Heated in oxygen water or steam Potassium Sodium Reacting with cold water Calcium Burns to form Magnesium an oxide Aluminium Reacting with steam Zinc Iron Reacts ...
ChemicalpropertiesReactionwithcoldwater Allthealkalimetalsreactvigorouslywithcoldwater.Ineachreaction,hydrogengasisgivenoffandthemetalhydroxideisproduced.Thespeedandviolenceofthereactionincreasesasyougodownthegroup.ThisshowsthatthereactivityofthealkalimetalsincreasesasyougodownGroup1.Reactionwithcoldwater LithiumWhenlithium...
The reaction of metals with these substances can be put in order. Here is a table with the metals that react most at the top, and the metals that react least at the bottom Metal Heated in oxygen Reaction with water or steam Potassium Sodium Reacting with cold water Calcium Burns to form...
substances, for example, water.From the table we know, ___, ___ and ___ can react with cold water.And ___, ___ and ___ can react with steam.But iron only has reaction with water and steam, ___ has no reaction with them at all. B.Let’s do an experiment aiming to find...
How do alkali metals react with water? Student sheet Name ……… The ‘voice over’ for the demonstration of adding potassium to water should include the following points: The good features of my ‘voice over’ are I could have improved it still further by When rubidium is added to cold ...