Prevention of Corrosion
Chemistry ⇒ Metals and Non-metals
Prevention of Corrosion starts at 8 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Prevention of Corrosion.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A ship's hull is made of iron and is exposed to seawater. Suggest a suitable method to prevent its corrosion and explain why.
Describe how electroplating can be used to prevent corrosion of iron objects.
Describe the principle of cathodic protection in preventing corrosion.
Describe the role of passivation in corrosion prevention.
Explain how painting a metal surface helps in preventing corrosion.
Explain why cathodic protection is not suitable for small household items.
A ship's hull is made of iron and is exposed to seawater. Suggest a suitable method to prevent its corrosion and explain why.
Explain why iron corrodes faster in coastal areas than in dry inland areas.
Which of the following is a chemical method of preventing corrosion? (1) Painting (2) Applying grease (3) Using corrosion inhibitors (4) Galvanization
Which of the following is a physical barrier method for preventing corrosion? (1) Using corrosion inhibitors (2) Painting (3) Alloying (4) Anodizing
Which of the following is an example of a sacrificial anode used in cathodic protection? (1) Copper (2) Zinc (3) Silver (4) Gold
Which of the following is NOT a method of corrosion prevention? (1) Electroplating (2) Anodizing (3) Exposing to salt water (4) Applying oil or grease
Fill in the blank: The addition of __________ to steel forms stainless steel, which is highly resistant to corrosion.
Fill in the blank: The method of protecting iron by coating it with a thin layer of tin is called __________.
Fill in the blank: The process of applying a protective layer of chromium on metals is called __________.
Fill in the blank: The process of forming a protective oxide layer on aluminum to prevent further corrosion is called __________.
True or False: Anodizing is commonly used to protect aluminum from corrosion.
True or False: Corrosion can be completely stopped by using only one method of prevention.
True or False: Corrosion inhibitors are substances that slow down the rate of corrosion when added to the environment.
True or False: Stainless steel is more resistant to corrosion than pure iron.
