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Metallic zinc displaces hydrogen from di...

Metallic zinc displaces hydrogen from dilute acids and water because

A

zinc is more electropositive than hydrogen

B

zinc and hydrogen are both electropositive

C

zinc is less electropositive than hydrogen

D

zinc and hydrogen are equally reactive

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A
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Name two metals which will displace hydrogen from dilute acids, and two metals which will not displace hydrogen from dilute acids.

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Name one metal which can displace hydrogen from dilute acids and one metal which cannot.

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BHARATI BHAWAN (ENGLISH)-PRACTICALS -EXERCISE
  1. When a piece of iron is placed in a solution of copper sulphate, the b...

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  2. A reddish-brown metal which lies below hydrogen in the activity series...

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  3. Metallic zinc displaces hydrogen from dilute acids and water because

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  4. The metal which can react both with acids and alkalis to produce hydro...

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  5. When zinc powder is heated with sodium hydroxide solution , the substa...

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  6. When a piece of zinc is added to blue copper sulphate solution, the so...

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  7. The order of rectivity of Zn, Fe, Cu and Al is

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  8. A piece of granulated zinc was dropped into copper sulphate solution. ...

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  9. Four set ups a given below were arranged to identify the gas evolved ...

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  10. When an iron rod is dipped into a solution of copper sulphate, copper ...

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  11. The reaction BaCl(2) +Na(2)SO(4) to BaSO(4) + 2NaCl is an example of a

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  12. The reaction respresented by the eqaution CuSO(4) + Fe to FeSO(4) +...

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  13. The burning of magnesium in air is a

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  14. Which of the following is a decomposition reaction ?

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  15. Which of the following reaction is feasible ?

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  16. Which of the following reactions is possible ?

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  17. The general formula of carbodxylic acids is

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  18. Acetic acid is essentially present in

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  19. Acetic acid is

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  20. The IUPAC name of acetic acid is

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