🥔💧➡️⚫

#iodine test #starch test #potato starch #chemistry experiment #chemical indicator #blue-black reaction

🧪🟫➡️⚫🔵

#chemical indicator #color change reaction #iodine-starch complex #lab results #qualitative analysis #chemistry test

🍚💧➡️⚫

#starch test #iodine test #rice starch #food science #chemical indicator #colorimetric test