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Which of the following pairs of substan...

Which of the following pairs of substances on reaction will not evolve `H_(2)` gas

A

Fe and `H_(2)SO_(4)` (aqueous)

B

Copper and HCl (aqueous)

C

Sodium and ethyl alcohol

D

Iron and steam

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The correct Answer is:
B
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MODERN PUBLICATION-UNIT TEST - 3-MULTIPLE CHOICE QUESTIONS
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  2. The structure of H(2)O(2) is

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  4. Which of the following is not an ore of magnesium ?

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  5. Magnesium is present in :

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  6. Lithium shows diagonal relationship with

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  7. Slaked lime reacts with chlorine to give :

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  8. Which of the following alkaline earth metal ion has lowest ionic mobil...

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  9. Which of the following is most basic ?

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  10. Which of the following has largest solubility in water ?

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  11. The stability of the following alkali metal chlorides follows the orde...

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  12. The following compounds have been arranged in order of their increasin...

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  13. Among the alkaline earth metals, the element forming predominantly cov...

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  14. A metal M readily forms water soluble sulphate MSO(4), water insoluble...

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  15. The correct sequence of increasing covalent character is represented b...

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  16. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  17. The correct order of the mobility of alkali metal ions in aqueous solu...

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  18. Ammoniacal solution of MgSO(4) in presence of NH(4)Cl is heated with N...

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  19. The carbonate that will not decompose on heating is

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