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Write an activity to each of the followi...

Write an activity to each of the following chemical reaction.
B) Chemical displacement reaction.

Text Solution

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B) Chemical displacement :
1) Take a small quantity of zinc dust in a conical flask and add some drops of dilute hydrochloric acid slowly.
2) Immediately we can observe the gas bubbles coming out from the solution.
3) This is because zinc reacts with dilute hydrochloric acid and liberates hydrogen gas.
`Zn+2HCl rarr ZnCl_(2)+H_(2)uarr`
4) In this reaction the element zinc has displaced hydrogen from hydrochloric acid.
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