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Question 21

Which of the following is not decomposed by heat?

  • A.CaCO3
  • B.CuCO3
  • C.ZnCO,sub>3
  • D.Na2CO3
  • E.MgCO3
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1988
Question no.
#21
Type
Objective
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