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A metal M readily forms water soluble su...

A metal M readily forms water soluble sulphate, and water insoluble hydroxide `M(OH)_2`. Its oxide MO is amphoteric, hard and having high melting point. The alkaline earth metal M must be

A

Mg

B

Be

C

Ca

D

Sr

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PATHFINDER-S-BLOCK ELEMENTS AND THEIR COMPOUNDS, HYDROGEN AND ITS COMPOUNDS-QUESTION BANK
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  3. A metal M readily forms water soluble sulphate, and water insoluble hy...

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  5. A metal X on heating in nitrogen gas gives Y, Y on treatment with H2 O...

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  6. Out of LiH, MgH2 and CuH

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  7. Under what conditions of temperature and pressure, the formation of at...

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  9. The maximum possible number of hydrogen bonds a water molecule can for...

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  10. Water obtained by purification of organic ion exchange resins is :

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  11. In which of the following reactions does water act as an oxidising age...

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  12. Which of the following is not true ?

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  15. Decolourisation of acidified potassium permanganate occurs when H2 O2 ...

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  16. Decomposition of H2 O2 is accelerated by

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  17. An aqueous solution of hydrogen peroxide ions is

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  18. The species that does not contain peroxide ions is

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  19. When same amount of zinc is treated separately with excess of sulphuri...

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