Question

i. Define the following.
a) Oxidation
b) Reduction
c) Displacement reaction
ii. Write any 2 observations during the thermal decomposition of ferrous sulphate.
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Answer 1

Answer:

i a) the addition of oxygen and removal of hydrogen is known as oxidation

i b) the addition of hydrogen and removal of oxygen is known as reduction

i c) reaction in which one compound decomposes into two or more compounds are elements are known as decomposition reaction.

ferrous oxide is formed and Sulphur dioxide and sulphur trioxide are given out.

Answer 2

Answer:

oxidation=the removal of hydrogen

the addition of oxygen

reduction=the removal of oxygen

the addition of hydrogen

displacement reaction=in this reaction the one element takes place of another element