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Which of the following statements is reg...

Which of the following statements is regarding rusting/corrosion?

A

Iron rust faster in saline water than in pure water

B

Less active metals are readily corroded

C

Air and moisture decreases corrosion

D

Corrosion occurs slowly at bends, scratches or cuts in metals

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The correct Answer is:
A
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JMD PUBLICATION-ELECTRO CHEMISTRY-EXAMPLE
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  2. In galvanisation, metal plating on iron to protect against corrosion ...

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  3. Which of the following statements is regarding rusting/corrosion?

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  4. Rust is mixture of:

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  5. In a galvanic cell cathode is positive electrode and anode is negative...

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  6. Why does the conductivity of a solution decrease with dilution?

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  7. What is dilution?

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  8. Describe Ni-Cd storage cell.

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  9. Define Specific conductance.

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  10. During electrolysis of NaCl (aq) using inert electrodes, the product a...

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  11. Kohlrausch law can be used to find the molar conductivity of a weak el...

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  12. Electrical conductance of metals decreases with increase in temperatur...

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  13. Larger the size of an ion, more is its ionic conductance

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  14. What are electrochemical cells? Name the two types of electrochemical ...

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  15. Write four differences between galvanic (or electrochemical) cell and ...

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  16. What do you understand by standard reduction potential of electrode?

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  17. What do you understand by normal hydrogen reduction potential of elect...

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  18. What is salt bridge? give its functions.

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  19. Can a Galvanic cell work without a salt bridge?

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  20. Why does the e.m.f. of a galvanic cell decrease on drawing current fro...

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