Question 4
SECTION 3, QUESTION 2
Why is it necessary to wipe the copper rod dry in step 5? [1 mark]
Editorial source note: the question says step 5; the wiping instruction actually appears in step 6.
Editorial conceptual diagram; colours and positions are schematic, not observed results.
Why is it necessary to wipe the copper rod dry in step 5? [1 mark]
Editorial source note: the question says step 5; the wiping instruction actually appears in step 6.
Editorial conceptual diagram; colours and positions are schematic, not observed results.