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What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place
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What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
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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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What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.
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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.
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Why does aluminium not react with water under ordinary conditions?
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Name two metals which cannot displace hydrogen from dilute acids.
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Why is white phosphorus kept immersed under water?
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Can we keep sodium immersed under water? Why?
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Describe the reaction of potassium with water. Write the equation of the reaction involved.
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Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
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Give one example, with equation, of the displacement of hydrogen by a metal from an acid.
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Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
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What is the action of water on sodium ? Write equation of the chemical reaction involved.
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What is the action of water on magnesium ? Write equation of the chemical reaction involved.
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What is the action of water on aluminium ? Write equation of the chemical reaction involved.
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You are given samples of three metals − sodium, magnesium and copper. Suggest any two activities to arrange them in order of their decreasing reactivities.
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Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
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What special name is given to substances like aluminium oxide.
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Name another metal oxide which behaves like aluminium oxide.
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