When specimen X is mixed with few drops of iodine solution, the appearance of a blue-black colour confirms that X is? by Sunday | Sep 12 | Biology JAMB | 0 comments A. galactose B. starch C. sucrose D. glucose Correct Answer: Option B – starch Users Also Read These:Assuming that brown colour is dominant over black…A few drops of concentrated HNO3 is added to an…When a few drops of water is added to a blue…The tincture of iodine means iodine dissolved in?A few drops of NaOH solution was added to an unknown…