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An amphoteric oxide dissolves in HCl to ...

An amphoteric oxide dissolves in HCl to form a salt. The salt does not impart any characteristic colour to the flame but fumes in moist air. The oxide is-

A

`BaO_2`

B

`MgO`

C

`BeO`

D

`CaO`

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -MCQ HOTSPOT (SINGLE CORRECT TYPE)
  1. The chemical formula of microcosmic salt is-

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  2. The hydride which does not form as a result of direct reaction between...

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  3. An amphoteric oxide dissolves in HCl to form a salt. The salt does not...

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  4. The difference in number of water molecules in gypsum and Plaster of P...

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  5. Compound A imparts brick red colour to the flame and decomposes on he...

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  6. The sodium salt of an unknown anion when heated with MgCl2 forms a whi...

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  7. The salt which is added to table salt to keep it dry and free flowing ...

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  8. The compound which acts as an oxidising as well as a reducing agent is...

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  9. The compound which is used to extinguish fire caused by combustion of ...

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  10. An aqueous solution of sodium sulphate is electrolysed using inert ele...

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  11. Sodium when heated at 300^@C in air forms X which absorbs CO2 to form ...

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  12. Excess Na^(+) ions in the human body causes-

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  13. The metal carbide which on hydrolysis produces allylene or propyne is-

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  14. A metal M readily forms water soluble sulphate MSO4 water insoluble hy...

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  15. When a compound A is heated, it produces a colourless gas and the resi...

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  16. When metals A and B are heated in air, A only forms oxide but B forms ...

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  17. The alkali metal which emits a light of longest wavelength in the flam...

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  18. The compound which does not form a double salt is-

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  19. The decreasing order of stability of the chloride salts of alkali meta...

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  20. The affinity of sodium for water is used for drying

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