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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 the equation of the chemical reaction involved.
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What is the action of water on magnesium? Write equations of the chemical reactions involved.
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What is the action of water on aluminium? Write the 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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What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
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Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?
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The salt which will give an acidic solution on dissolving in water is ______.
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One of the following salts will give an alkaline solution on dissolving in water. This is:
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The salt which will give a neutral solution on dissolving in water will be ______.
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What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
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Write the equation for the reaction of:
Magnesium with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
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Write the equation for the reaction of:
Aluminium with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
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Write the equation for the reaction of:
Zinc with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
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Write the equation for the reaction of:
Iron with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
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