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Potassium superoxide is used in oxygen c...

Potassium superoxide is used in oxygen cylinders in space and submarines because it

A

Decomposes to give oxygen

B

Eliminates moisture

C

Absorbs `CO_(2)`

D

produces ozone

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The correct Answer is:
A
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SIA PUBLICATION-MOCK TEST 1-CHEMISTRY
  1. Which of the following statement is correct ?

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  2. Which of the following does not exhibit inert pair effect ?

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  3. Potassium superoxide is used in oxygen cylinders in space and submarin...

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  4. Which of the following is not correct regarding the electrolytic prepa...

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  5. Which of the following is correct ?

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  6. In exothermic reaction

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  7. In which of the following the oxidation state of chlorine is +5?

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  8. A : K(4)[Fe(CN(6))] is diamagnetic R: The alignments of magnetic di...

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  9. Water drop stick to a glass suface due to

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  10. If thermal energy predominates over intermolecular forces, then the su...

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  11. The hybridisation of central atom is sp^(3)d^(2) in

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  12. The formal charges on the three oxygen atoms in O(3) molecule are

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  13. Among the elements A,B,C and D having atomic numbers 9,10,11 and 12 re...

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  14. The following are some statements about Mendeleev's peridioc table (...

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  15. Transition metal " X " has a configuration [Ar] 3d^(4) in its +3 oxida...

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  16. The wave number of limiting line in Balmer series of hydrogen atoms is

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  17. Which on oxidation will not give a carboxylic acid with the same numbe...

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  18. PDI refers to

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  19. The empirical formula of a compound is found to be C(2)H(3)O(4). The m...

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  20. 40 grams of a sample of carbon on combustion left 10 % of it unreacted...

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