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BECE Basic Science 2024 Objective — Question 88

Question 88 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Basic Science 2024 Objective paper, with the correct answer and a full explanation.

The purpose of resin flux in soldering operation is to ____

A. clean the metal surface.Correct
B. enable the metal joint to melt.
C. improve joints contact.
D. improve mechanical strength.
E. stop the flow of molten solder.

Explanation

Flux cleans the metal surface and prevents oxidation.

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