answersLogoWhite

0


Best Answer

When tested with iodine, you will see a blue-black colour if starch is present.

If there is no starch present, the iodine will remain brown.

User Avatar

Wiki User

โˆ™ 2012-09-05 15:47:37
This answer is:
User Avatar
Study guides

Science

14 cards

Who is known as the first African American scientist

Which scientist used mathematical knowledge to calculate the exact measurement of the meter

Who is recognized as one of the greatest physicists of all time

Which scientist used his knowledge of astronomy to publish a popular almanac

โžก๏ธ
See all cards
3.81
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
605 Reviews

Add your answer:

Earn +20 pts
Q: What is the positive test for starch?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is observed when there is a positive test for starch using the starch indicator?

When there is a positive test for starch using the starch indicator you will observe a color change. The color changes from amber to blue black.


What conclusion can you draw when an experimental sample gives both a positive starch and a positive maltose test after incubation?

The maltose positive test will have a degree of how positive, it is. That will tell you how much of the starch has been digested.


What conclusions can you draw when an experimental sample gives both a positive starch test and positive maltose test after incubation?

Starch digestion (hydrolysis) is incomplete


What conclusions can you draw when an experimental sample gives both a positive starch test and a positive maltose test after incubation?

it means that the starch turns to maltose when digested


Does chicken broth test positive for starch?

No, it doesn't.


What does a positive iodine test indicate?

for the presence of starch:)


Is glucose expected to have a positive iodine test?

No, Starch is


Which is the only simple sugar that doesn't test positive with a Benedict's test?

Starch


Why use iodine solution to test for starch?

The test is positive with starch because the iodine takes up a position in the centre of the starch helix which is blue black.


What is a positive test result for starch?

Black/Dark purple.


Is serratia marcescens positive for a starch hydrolysis test?

yes


Why starch doesn't give fehling test?

Starch doesnot give positive result for Fehling's test as it does not have a free hemiacetal group

People also asked