Question

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1. Fill in the blanks.
(a) Different substances give crystals of different
(b) The salinity of sea water is due to dissolved sodium
(c) The iron reacts very readily with oxygen in the presence of
(d) The general formula for rust is

2. Give two methods that how you can prevent rusting.
3. What is the chemical reaction that takes place during rusting?​

Answer 1

Answer:

2ans. Apply oil paint to prevent rusting on metals