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What is Meant by the Reactivity Series of Metals? Arrange the Following Metals in an Increasing Order of Their Reactivities Towards Water: Zinc, Iron, Magnesium, Sodium - Science

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प्रश्न

What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water:
Zinc, Iron, Magnesium, Sodium

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उत्तर

The arrangement of metals in a vertical column in the order of their decreasing reactivity is called the reactivity series of metals.
The increasing order of these metals according to their reactivity with water is:
 Iron < Zinc < Magnesium < Sodium

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३५]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 64.1 | पृष्ठ १३५

संबंधित प्रश्‍न

.................... liberated when acetic acid reacts with sodium metal.
(a) Hydrogen
(b) Chlorine
(c) Oxygen
(d) Nitrogen


Name the following:
Metals which forms an amphoteric oxide.


Explain the following reaction with the help of a balanced chemical equation:
Magnesium reacts with hot water.


State whether the following statement is true or false:
Non-metals react with dilute acids to produce a gas which burns with a 'pop' sound.


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


What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.


What type of oxides are formed when non-metals react with oxygen? Explain with an example.


How do metals react with hydrogen? Explain with an example.


Which gas is produced when dilute hydrochloric acid is added to a reactive metal?


Give one example, with equation, of the displacement of hydrogen by a metal from an acid.


Write the equation for the reaction of Magnesium with dilute hydrochloric acid.

Name the products formed. Also indicate the physical states of all the substances involved.


Write the equation for the reaction of Zinc with dilute hydrochloric acid.

Name the products formed. Also indicate the physical states of all the substances involved.


Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe


In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?


Calcium floats over water during the reaction with water. Give reason.  


Write the chemical equation of the above process.


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


A cable manufacturing unit tested few elements on the basisof their physical properties.

Properties W X Y Z
Malleable Yes No No Yes
Ductile Yes No No Yes
Electrical conductivity Yes Yes Yes No
Melting Point High Low Low High

Which of the above elements were dicarded for usage by the company?


The substance that will be flattened on beating with a hammer is ______.


Find the odd one out:


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