Inti Science

What is Corrosin?

• When metals if formed by chemicals of the environment

• When metal is worn away by chemicals of the environment

• None of the above

What is Rusting?

• The process of iron when exposed to gases or chemicals

• Iron exposed to sunlight

• The corrosion of iron when exposed to water & oxygen

Purpose of calcium chloride?

• To makes gases

• To make moistures

• To eliminate moistures

What prevents rusting

Answer explanation

Painting and Oiling

Advantages of stainless steel

• Doesn’t rust

• Fire & heat resistance

• Long term value

• Cheaper

Disadvantages of stainless steel

• More expensive

• Easier to break

• None of the above