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  9. Q22
Question 22

Which of the following scientists discovered the phenomenon of radioactivity?

  • A.Gregor Mendel
  • B.Henry Becquerel
  • C.Jean Lamack
  • D.John Dalton
  • E.Robert Hooke
Objective

Question details

Exam body
BECE
Subject
Basic Science
Year
2015 Paper 1
Question no.
#22
Type
Objective
Previous · Q21The ratio of the work output of a machine to work input is called Next · Q23 A way of reducing friction in the moving parts of a machine is by applying

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