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प्रश्न
Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.
उत्तर
Sodium > Calcium > Magnesium > Zinc > Iron > Lead > Copper
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संबंधित प्रश्न
Name the metal which has been placed at the top of the reactivity series.
Fill in the following blank with suitable word:
The white powder formed when magnesium ribbon burns in oxygen is of ....................
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
A copper plate was dipped in AgNO3 solution. After certain time, silver from the solution was deposited on the copper plate. State the reason why it happened. Give the chemical equation of the reaction involved.
Why does aluminium not react with water under ordinary conditions?
Why is white phosphorus kept immersed under water?
What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?
