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BECE Basic Science 2022 Objective — Question 25

Question 25 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Basic Science 2022 Objective paper, with the correct answer and a full explanation.

The chemical formula of limestone is

A. CaCO₂
B. CaCO₃Correct
C. CaSO₄
D. Ca(OH)₂
E. Ca(NO₃)₂

Explanation

Limestone is calcium carbonate, CaCO₃.

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