Q. Passivity is achieved only if a sufficient quantity of oxidizer is added to the medium.

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Q. Which of the following metal-acid combination will shift metal from active to passive state with an increase in oxidizer concentration?

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Q. What is the nature of copper corrosion in oxygenated sulfuric acid?

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Q. The corrosion rate depends on both the medium and the metal involved.

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Q. What is the other name of concentration polarization?

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Q. Which of the following metals are more corrosion resistant in a high-velocity corrosive solution?

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Q. The rate of chemical reaction increases with an increase in temperature.

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Q. In which of the following reactions, we observe the exponential increase in corrosion rate with an increase in temperature?

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Q. In which of the following reactions, we observe the unaffected corrosion rate with the increase in temperature?

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Q. The concentration of the corrosive medium increases with the increase in impurity ion concentration.

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Q. In which of the following reactions, we observe an increase in corrosion rate with the increase in corrosive concentration?

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Q. In which of the following reactions, we observe the constant corrosion rate even with the increase in the corrosive concentration?

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Q. The effect of Galvanic Coupling is due to the contact of dissimilar metals in a conductive electrolyte.

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Q. What are the factors that affect Galvanic coupling?

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Q. Preferential cathode and anode are formed based on the potential value of a metal electrode.

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Q. In which of the following cases, we observe the galvanic effect?

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Q. What is the abbreviation of SHE?

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Q. Which of the following are Reference electrodes?

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Q. Which of the following is/are the characteristics of a Galvanic series?

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Q. Which of the following is/are the preventions of the galvanic effect?

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