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  • I need help with Choose the correct optiona) A rise in temprature decrease the rate of corrosionb) For iron , at high ptt , corrosion decreasec) Titanium is less susceptible to corrosion compared to zinc

Choose the correct option 

a) A rise in temprature decrease the rate of corrosion

b) For iron , at high ptt , corrosion decrease

c) Titanium is less susceptible to corrosion compared to zinc  

  • Option 1)

    a

  • Option 2)

    a,b

  • Option 3)

    b,c

  • Option 4)

    a,b,c

 

Answers (1)

best_answer

As we have learned

Factor affecting corrosion -

1. Reactivity of metals

2. Presence of moisture and atmospheric gases like CO2 SO2 etc.

3. Presence of impurity

4. Presence of electrolyte

5. Strains in the metal

-

 

 a) A rise of temp. increases the conductance of the medium thereby raising the corrosion

b) corrosion rate decrease for iron at high ptt

c) Titanium forms a protective layer of Ti_2O_3 making it less suspectable to corrosion

 


Option 1)

a

Option 2)

a,b

Option 3)

b,c

Option 4)

a,b,c

Posted by

Aadil

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