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Monday, 15 June 2026
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A positive starch test gives a:

A positive starch test gives a:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Violet-purple color
  • B Blue-black color
  • C Brick-red color
  • D Milky-white color
Correct Answer: Option B
Explanation:
Starch reacts with iodine to produce a blue-black coloration indicating its presence.

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