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Which of the following is not chemically...

Which of the following is not chemically `CaCO_3` ?

A

Precipitated chalk

B

Iceland spar

C

Shells of sea animals

D

Asbestos.

Text Solution

Verified by Experts

The correct Answer is:
D
Asbestos.
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ICSE-THE s - BLOCK ELEMENTS-OBJECTIVE (MULTIPLE CHOICE) TYPE QUESITONS (Choose the correct option in the following questions)
  1. When epsom salt is heated at 150^@C, the compound obtained is

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  2. When CaO is heated in an oxy-hydrogen flame,

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  3. When slaked lime is treated with chlorine, the product obtained is (a...

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  4. Which of the following is not chemically CaCO3 ?

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  5. When a mixture of anhydrous Na2CO3 and NaHCO3 is heated to 100^@C, a ...

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  6. The chloride that can be extracted with ether is

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  7. The weakest base among the following is

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  8. Calcium chloride and potassium chloride solutions could easily be dist...

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  9. The mobilities of the alkali metal ions in aqueous solution are Li^(+)...

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  10. Both lithium and magnesium display several similar properties due to t...

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  11. A water sample has ppm level concentration of following anions F^(-)...

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  12. Which of the following oxides is most acidic in nature?

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  13. Among CaH2, BeH2 , BaH2, the order of ionic character is

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  14. Which of the following is an amphoteric hydroxide? (a)Mg(OH)2 (b)Be...

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  15. Enzymes that utilize ATP in phosphate transfer require an alkaline ear...

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  16. The INCORRECT statement is

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  17. The structures of beryllium chloride in the solid state and vapur phas...

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  18. Magnesium burns with a flame.

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  19. The correct order of hydration enthalpies of alkali metal ions is:

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  20. Which alkaline earth metal chloride is most covalent?

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