Question

1) What is depositing a layer of zinc on iron called?

a. Galvanisation
b. Crystallisation
c. Sublimation
d. Layering


2) What is the reaction in which a solid substance is obtained in its purest form?

a. Displacement reaction
b. Combination reaction
c. Crystallisation
d. Decomposition reaction


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Answer 1

Answer:

1. a) Galvanisation

2) c) Crystallization

Answer 2

Answer:

1)=B

Explanation:

2)=C

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