Chemistry · Surface Chemistry and Metallurgy
Which of the following statements is true about anodising?
- 1It is a process of coating of zinc by hot dipping.
- 2It is an oxidising process used for aluminium and magnesium articles.✓
- 3It is a process used for making thin phosphate coating on steel to act as a base or primer for enamels and paints.
- 4It is a zinc diffusion process.
Correct answer
It is an oxidising process used for aluminium and magnesium articles.
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