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CO(2) gas is not produced when the follo...

`CO_(2)` gas is not produced when the following is storngly heated

A

`CaCO_(3)`

B

`Ca(HCO_(3))_(2)`

C

`K_(2)CO_(3)`

D

`MgCI_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Generally thermal stability of carbonaets increases from `BeCO_(3)` to `BaCO_(3)`. So `K_(2)CO_(3)` does not give `CO_(2)` on decomposition. All bicarbonates can decompose and give `CO_(2)`.
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AAKASH SERIES-ALKALINE EARTH METALS-LECTURE SHEET (STRAIGHT OBJECTIVE TYPE QUESTIONS
  1. Thermal stability of II A carbonates from BeCO(3) to BaCO(3)

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  2. Which of the following not avaible in nature heated

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  3. CO(2) gas is not produced when the following is storngly heated

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  4. When burning magnesium splinter is placed in a jar containing the foll...

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  5. The following salts of II A elements always exist in liquid state

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  6. Which of the following is correct regarding the solubility of alkaline...

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  7. Melting point is highest for

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  8. Which salt gives crimson colour in flame

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  9. Which of the following metallic chloride has covalent character

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  10. The II A carbonate that decomposes at room temperature of 25^(@) C is

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  11. Which of the following hydroxides is the strongest base.

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  12. The compound 'A' on heating gives a colourless gas and a residue. The ...

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  13. The ion having highest mobility in aqueous solution is

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  14. The compounds(s) of alkaline earth metals, which are amphoteric in nat...

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  15. The correct statement is / are

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  16. The compound(s) which have -O-O- bond (s) is / are

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  17. Na(2)SO(4) is water soluble but BaSO(s) is insoluble because

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  18. Which of the following statements are false?

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  19. Both alkali metals and alkaline earth metals are s - block elements. T...

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  20. Both alkali metals and alkaline earth metals are s - block elements. T...

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