The metals in the middle of the activity series (Zn, Fe, Pb, etc.) It is also known as activity series. Answer: Na Produced by the electrolysis of molten NaCl. The organization of elements on the periodic table allows for predictions concerning reactivity. You know that metals can be separated from molten compounds of metals by electrolysis. Find out how metals like Na, Ca and Mg are extracted. Metals are arranged in the reactivity series on the basis of displacement experiments performed on them. Define activity series of metals. The reactivity series is a series of metal elements, and sometimes carbon and hydrogen, that is arranged according to their reactivity. It is easy to extract metal from their oxide, as compared to their sulphides and carbonates. 3. Copper glance (Cu 2 S) is the ore of copper. Arrange the metals gold, copper, iron and magnesium in order of their increase in reactivity. KCl is added to reduce the melting point of NaCl. Extracting Metals in the Middle of the Activity Series. They are found in the earth’s crust mainly as oxides, sulphides or carbonates. are moderately reactive. (i) Extraction of Metals of Least Reactivity: Mercury and copper, which belong to the least reactivity series, are often found in the form of their sulphide ores. Each element in the reactivity series can be replaced from a compound by any of the elements above it. Extraction of Metals Class 10 Question 1. asked Oct 10, 2019 in Chemistry by Deepak01 ( … A list of metals arranged in the order of their decreasing reactivity (activity) is called reactivity series. CBSE Class 10 - Ask The Expert. The reactivity series allows us to predict how metals will react. A reactivity series is typically a vertically presented model with the most-reactive element placed at the top of the series and … Reactivity series is the series of metals based on their reactivity from highest to lowest. Mg(s) + Zn 2+ → → Zn(s) + Mg 2+ The interval between metals in the reactivity series of metals represents the reactivity of those metals towards each other. The way, metals like sodium, magnesium and iron react with air and water is an indication of their relative positions in the ‘reactivity series’. So, reactivity series of metals can be defined as a series of metals, in order of reactivity from highest to lowest. Reduction: Heating of oxides of metals to turn them into metal is known as Reduction. CBSE Class 10 Science Important Questions Chapter 3 Metals and Non-Metals ... placed below hydrogen in the series, if will not evolve hydrogen 8. Question 77. Reactivity Trend in the Periodic Table . A more reactive metal will displace a less reactive metal from a compound. Learn the reactivity series of metal through this simple yet effective mnemonic. These elements are located in the upper right and lower left corners of the periodic table and in certain element groups. Alloys. ... 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