मराठी

Arrange the Following Metals in Order of Their Chemical Reactivity, Placing the Most Reactive Metal First: Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium. - Science

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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.

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उत्तर

Sodium > Calcium > Magnesium > Zinc > Iron > Lead > Copper

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३३]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 45.1 | पृष्ठ १३३

संबंधित प्रश्‍न

Metal A has electronic configuration (2, 8, 1) and metal B has (2, 8, 8, 2). Which is more reactive? Why? Identify these metals.


Name the following:
Metals which forms an amphoteric oxide.


Write equations for the reactions of calcium and potassium with water.


Write the electron-dot structures for sodium, oxygen and magnesium.


Show the formation of Na2O by the transfer of electrons.


You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.


Differentiate between metal and non-metal on the basis of their chemical properties.


A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate.

In which test tube or test tubes will she observe colour change? On the basis of this experiment, state which one is the most reactive metal and why.


A solution of _________________ in water is green in colour.

(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3


What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?


Which of the two metals is more reactive: copper or silver?


How would you show that silver is chemically less reactive than copper?


With the help of examples, describe how metal oxides differ from non-metal oxides.


What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.


Name a metal which does not react with cold as well as hot water but reacts with steam.


Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.


Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.


Explain the following: 

Reactivity of aluminium decrease if it is dipped in nitric acid.


Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?

  1. Good thermal conductivity
  2. Good electrical conductivity
  3. Ductility
  4.  High melting point

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