Question
Explain the following:
1) Galvanization
2) Crystallization [2 MARKS]
1) Galvanization
2) Crystallization [2 MARKS]
Answer:
:
Definition: 1 Mark each.
1) The process of deposition of a layer of zinc on iron is called galvanization. It prevents direct contact of iron with air and oxygen.
2) The process of formation of solid crystals from a homogeneous solution is called crystallization and it is a physical change. Eg: Formation of copper sulphate crystals.
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:
Definition: 1 Mark each.
1) The process of deposition of a layer of zinc on iron is called galvanization. It prevents direct contact of iron with air and oxygen.
2) The process of formation of solid crystals from a homogeneous solution is called crystallization and it is a physical change. Eg: Formation of copper sulphate crystals.
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