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The compound which is used to produce di...

The compound which is used to produce dioxygen and to remove carbon dioxide in submarines is

A

`KO_2`

B

`Na_2O`

C

`Li_2O`

D

`CaO`

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Knowledge Check

  • carbon in carbon dioxide is

    A
    `sp^(2)`- hybridised
    B
    `sp^(3)` d - hybridised
    C
    sp- hybridised
    D
    `sp^(3)` - hybridised
    • AAKASH INSTITUTE ENGLISH-TEST 6-EXAMPLE
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    2. The light yellow colour of Na2O2 is due to

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    3. The colour shown by potassium metal in the oxidizing flame of Bunsen b...

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    5. Which among the following has highest hydration enthalpy?

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    7. The species which is absent in the aqueous solution of CO2 is

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    8. The alkali metal reacts with dihydrogen at highest temperature is

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    9. In the reaction (K2Cr2O7 + 14HCl to 2CrCl3 + 2KCl + 3Cl2 + 7H2O) HCl b...

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    10. The correct order of catenation tendency of 14^(th) group elements

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    11. The number of three-center-two-electron bond (s) present in diborane m...

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    12. Phenomenon of dissoluion of lead in ordinary water containing dissolve...

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    13. Which of the following is not hydrolysed?

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    14. Select the correct statement regarding the solution of liquid ammonia...

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    15. Among the following, least soluble compound in water is

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    16. Select the correct statement regarding isotopes of hydrogen.

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    17. Which of the following is not a rodox reaction?

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    18. In which of the following compounds, oxygen exhibits highest oxidation...

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    19. Producer gas is mainly a mixture of

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    20. Which is not ture for graphite?

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