Question

Fill in the blanks :
rusting, corrosion, absorbed, zinc, irreversible
1. Heat is
during endothermic reaction.
2. Coating iron articles with
is called galvanisation.
3. Chemical changes are
and permanent.
of iron is called rusting.
5.
makes the iron object weak.
4.​

Answer 1

Explanation:

1-absorbed

2-zinc

3-ireverssible

4-corrosion

Answer 2

Answer:

• Heat is absorbed during endothermic reaction.
• Coating iron articles with zinc is called galvanisation$.$
• Chemical changes are irreversible and permanent.
• Corrosion of iron is called rusting.
• Rusting makes the iron object weak.

Related Information :-

What is endothermic reaction?

☆ The reaction in which heat is absorbed.

What is galvanisation?

☆ Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting.

What is chemical change ?

☆ Chemical changes refers to when a substance combines with another to form a new substance.

What is Rusting?

☆ Rusting occurs when iron is exposed to oxygen in air and water or water vapour. It makes the metal weak.

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