Teaching DSSSB TGT Mock Test 2025 General Science Chemistry Chemistry in Everyday Life

Which of the following methods can be used to prevent the corrosion of iron? 

1. Anodising

2. Soldering

3. Galvanisation

1
1 only
2
1 and 2 only
3
1 and 3 only
4
1, 2, and 3
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