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Complete and Balance the Following Equation:

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प्रश्न

Complete and balance the following equation:

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उत्तर

 

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अध्याय 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३३]

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लखमीर सिंग Chemistry [English] Class 10
अध्याय 3 Metals and Non-metals
Exercise 1 | Q 34.3 | पृष्ठ १३३

संबंधित प्रश्न

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


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


What name is given to those metal oxides which show basic as well as acidic behaviour?


A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?


Complete and balance the following equation:

Na2O  +  H2O →


Fill in the following blank with suitable word:

Ordinary aluminium strips are not attacked by water because of the presence of a layer of ................. on the surface of aluminium.


Fill in the following blank with suitable word:

Calcium is a ................. reactive metal than sodium.


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


Name another metal oxide which behaves like aluminium oxide.


Name one metal more reactive and another less reactive than hydrogen.


The metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc


Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.
(a) What is the nature of oxide A2O3?
(b) What is the nature of oxide BO?
(c) Name one metal like A.
(b) Name one metal like B.


Name a metal which It does not react with any physical state of water?


Explain the following: 

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


Where does the metal aluminium, used in the thermit process, occurs in the reactivity series of metals?


Write the chemical equation for the following reaction:
Manganese dioxide is heated with aluminum powder.


Which one among the following is an acidic oxide?


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)?


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