Definition of half life
Define the term half-life. (1mark)
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The questions under the topic Radioactivity under the subject Chemistry of Secondary education level. Select the question you wish to view details.
Similarities of both nuclear fission and nuclear fusion
State five similarities between the nuclear fission and nuclear fusion.(5marks)
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Uses of Alkanols
Explain six uses of the alkanols. (6marks)
...Uses of sodium metal
State five functions of sodium metal. (5marks)
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Passing Chlorine through solution of potassium iodide
Explain the observation made when chlorine gas is passed through a solution of potassium iodide. (3marks)
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Applications of Radioactivity in medicine
Explain the application of radioactivity in medicine.(5marks)
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Dangers of radioactivity
Explain why it is not safe to store radioactive substances in a container made from aluminium sheets? (1 mark)
...Why graphite is used as a lubricant?
In terms of structure and bonding, explain why graphite is used as a lubricant in machine.(2marks)
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Types of radiations
State three types of radiations.(3marks)
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