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What is the reactivity series of metals?
Ref: https://edurev.in/question/502991/What-is-the-reactivity-series-of-metals-

The reactivity series (also known as the activity series) is a series in which metals arranged in the decreasing order of reactivity. Thus the most reactive metal is placed at the top of the series while the least reactive metal is placed at the bottom of the series. 

This series is prepared by performing displacement reactions between various metals and their salt solutions. The reactivity series is given as follows:
Reactivity series of metals - Class 10

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1. What is the reactivity series of metals?
Ans. The reactivity series of metals is a list that arranges metals in order of their reactivity. It starts with the most reactive metal at the top and ends with the least reactive metal at the bottom.
2. What factors determine the reactivity of metals?
Ans. The reactivity of metals is determined by factors such as their ability to lose electrons, the presence of a stable oxide layer, and their position in the periodic table.
3. What is the significance of the reactivity series of metals?
Ans. The reactivity series of metals helps predict the reactions between metals and other substances. It indicates which metals are more likely to react and form compounds, and also helps in understanding their displacement reactions.
4. How does the reactivity series affect the corrosion of metals?
Ans. The reactivity series plays a crucial role in the corrosion of metals. Metals higher in the reactivity series, such as sodium and potassium, are more prone to corrosion compared to metals lower in the series, such as gold and platinum.
5. Can the reactivity series of metals change?
Ans. The reactivity series of metals is based on their chemical properties and is generally considered to be constant. However, in certain conditions or with the presence of other substances, the reactivity of metals can be influenced and may lead to changes in the series.
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