1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
german
3 years ago
12

Geetha took some grains of boiled rice in test tube A and Tina took boiled and chewed rice in test tube B. Both of then poured 1

-2 drops of iodine solution into the test tubes. What would they have observed? Give a reason for your answer.
Chemistry
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

Test tubes A and B turn a darker blue color.

Explanation:

Based on the information provided in the question it can be said that they should have noticed that Tube A and Tube B turned a dark blue color. This is because the starch turns the solution in the test tubes into a dark blue color due to the negative reaction caused by the conversion of starch present in salivary amylase

You might be interested in
How many electrons are in the nucleus of an atom with an atomic number of 7?!!
zzz [600]
There are two electrons
7 0
3 years ago
HELP PLEASE I BEG OF YOU
Vitek1552 [10]

Answer:

37.7%

Explanation:

58% of 65 is 37.7%

7 0
2 years ago
Ripening is a _______________ and spoiling is a ______________.
Mazyrski [523]

Answer:

A

Explanation:

The answer to this question is A. Both ripening and spoiling are chemical reactions.

Spoiling is a chemical reaction because spoiled food has bad smell and taste and it changes colour too.

Ripening of fruits is a chemical change. For example the colour could change as well as the texture.

7 0
1 year ago
Read 2 more answers
Can you help me please
irina [24]

Answer:

Concentrated solutions

7 0
2 years ago
Which choice below would affect the rate of reaction in the opposite way from the other four?
bulgar [2K]
Adding a catalyst as this would speed up the reaction and the rest would slow it down
4 0
3 years ago
Other questions:
  • Which pairing below does not correctly match the scientist with the contribution to the understanding of the atom? A. Proust and
    14·2 answers
  • What type of isomerism is shown by alkanes
    5·1 answer
  • Calculate the molarity of 13.1 g of NaCl in 727 mL of solution
    13·1 answer
  • Whats photosynthesis
    11·1 answer
  • Which term best indicates the average mass of an atom of an element?
    5·2 answers
  • How did elements get to earth?
    7·1 answer
  • Infrared in __________controls
    15·1 answer
  • Halppp can anyone come up with a slogan for anti smoking
    11·1 answer
  • Why is it important to do further investigations to determine if a chemical change really occurred?
    9·1 answer
  • How many cubic miles are 8.48E+08 gallons of water? The density of water at ambient conditions is 1.000 g/mL.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!