Home
Class 7
BIOLOGY
Kalyan wants to test the nutrients in th...

Kalyan wants to test the nutrients in the starch-powder. He added Iodine drops. What colour may he have observed in the test tube ?

A

Blue or black

B

Violet

C

Yellow

D

No colour

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • NUTRITION IN PLANTS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|89 Videos

Similar Questions

Explore conceptually related problems

In three test tubes 'A', 'B', 'C' with solutions of different substances were added a few drops of China rose indicator. The colours shows in these test-tubes were magenta, colourless and green respectively. Select the correct set indicating the substance whose solution are there in these test-tubes.

In starch test after adding iodine leaves turns into

Take white antacid powder with water in a test tube add methyl orange indicator to it. Which colour do you observe ?

In the given picture there is a lime water in A and B test tubes. A boy is breathing out the air into the test tubes. Predict your answers for the following : What was the colour of lime water in test tubes 'A' and 'B' before you began the experiment ?

In iodine test starch converts into____colour.

Science teacher announced to go to a picnic. The picnic spot is the Nallamala forest. Then Ajay got some doubts in him. He wants to get answers for his doubts. What questions he might have asked his teacher about the Nallamala forest?

A little of rice flour is taken in a test tube and water is added to it. A drop of iodine solution is added to the contents of test tube. We see the following colour change:

Take 2 ml of NaOH in a test tube, add two drops of phenolphthalein solution and then add few drops of dil. HCl to it. What is your observation with respect to colour?

Latha take some quantity of powder of a substance in a test tube. Heated it with spirit lamp. A gas was liberated. She sends the gas into another test tube. The colour of solution in the second test tube turned into milk white. Which substance was heated? Which gas is liberated? What was the solution taken in second test tube? Which type of chemical reactions involved the experiment?