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Question 30

Which of the following procedures is suitable for identifying the food colouring added to a pastry sample?

  • A.The cathode becomes coated with copper
  • B.Both electrodes gain electrons
  • C.The blue colour of the solution fades gradually
  • D.The anode increases in mass
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2000
Question no.
#30
Type
Objective
Previous · Q29Which of the following occurs when a solution of CuSO 4 is electrolysed using… Next · Q31 Which of the following procedures is suitable for identifying the food colouring…

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