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Oxidation and Reduction

13. 

Which of the following is used as a dehydrating agent?

A. HCl B. HNO3 C. HClO4 D. H2 SO4

Answer : C. HClO4

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14. 

The number of electrons that can be accomodated in K-Shell

A. 8 B. 4 C. 2 D. 16

Answer : C. 2

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15. 

Which of the following is/are true:
I. Oxidation is a process in which a substance adds on oxygen or loses hydrogen.
II. Oxidation is the process in which a substance loses electrons.
III. Reduction is a process in which a substance adds on hydrogen or loses oxygen.
IV. Reduction is the process in which a substance gains electrons.

A. II and IV B. I,III and IV C. I and IV D. I,II,III and IV

Answer : D. I,II,III and IV

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16. 

Loss of electrons can be termed as

A. Oxidation B. Reduction C. Anabolism D. All the above

Answer : A. Oxidation

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17. 

Gain of electrons can be termed as

A. Oxidation B. Reduction C. Anabolism D. Metabolism

Answer : B. Reduction

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18. 

The oxidation inhibitors terminate the hydro peroxide chain by combining with

A. Hydro carbons B. Oxides of metals C. Hydrogen peroxide D. All the above

Answer : C. Hydrogen peroxide

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