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
Alexeev081 [22]
3 years ago
9

Describe how iodine can tell you if there is starch in a substance?

Chemistry
1 answer:
noname [10]3 years ago
4 0
Iodine reacts to amylose. Amylose is a polychloride found in starches when combined with iodine the substance then becomes blue. This is because the iodine is becoming iodide. 

Hope this helps!
You might be interested in
Given that the frequency of a wave is 9.12x10^-12 Hz, what must be the
polet [3.4K]

Answer:

The wavelength of wave is 0.33 ×10²⁰ m.

Explanation:

Given data:

Frequency of wave = 9.12×10⁻¹² Hz

Wavelength of wave = ?

Solution:

Formula:

Speed of light = wavelength × frequency

c = λ × f

λ = c/f

This formula shows that both are inversely related to each other.

The speed of light is 3×10⁸ m/s

Frequency is taken in Hz.

It is the number of oscillations, wave of light make in one second.

Wavelength is designated as "λ" and it is the measured in meter. It is the distance between the two crust of two trough.

Now we will put the values in formula.

λ = 3×10⁸ m/s  / 9.12×10⁻¹² Hz

Hz = s⁻¹

λ = 0.33 ×10²⁰ m  

The wavelength of radiation is 0.33 ×10²⁰ m  .

5 0
3 years ago
Which is a dominant trait that Mendel observed in pea plants?
Arte-miy333 [17]

Answer:

Yellow seeds

Explanation:

Dominant traits are those that are inherited unchanged in a hybridization like the yellow seeds.

5 0
2 years ago
Read 2 more answers
What does each component of the punnet square represent
Mamont248 [21]
<span>By convention maternal alleles are represented in first row and paternal alleles in first column (leaving the first square empty), thus each square shows the genotype of the progeny formed as the result of cross between corresponding alleles</span>
3 0
3 years ago
when hydrogen atom absorbs a photon, and an electron moves level 1 to level 2, what happens to the energy of the atom?
pychu [463]

Answer:

When an electron is hit by a photon of light, it absorbs the quanta of energy the photon was carrying and moves to a higher energy state. One way of thinking about this higher energy state is to imagine that the electron is now moving faster, (it has just been "hit" by a rapidly moving photon).

Explanation: pls mark brainliest :))

7 0
3 years ago
What is the sum of kinetic and potential energy particles in matter
beks73 [17]
Mechanical I believe because this are things that move and don’t move so that would mean that it would be mechanical since mechanical means movement
5 0
3 years ago
Other questions:
  • What is the measurement 222.008 mm rounded off to four significant digits?
    5·2 answers
  • Why is a solution not a pure substance?
    9·1 answer
  • What is the concentration (m) of ch3oh in a solution prepared by dissolving 16.8 g of ch3oh in sufficient water to give exactly
    5·1 answer
  • How many protons, electrons, and neutrons does the following Isotope contain?<br> 27Al 3+
    5·1 answer
  • How do intermolecular forces help explain differences in phase changes (boiling point, melting point)
    15·1 answer
  • Heat is transferred at a rate of 2 kW from a hot reservoir at 775 K to a cold reservoir at 300 K. Calculate the rate at which th
    9·1 answer
  • Answer these questions
    6·2 answers
  • What is the reaction of Dimethylamamine + acetic acid
    5·1 answer
  • Please help! I will give brainilist........
    13·1 answer
  • Which is an aspect of the kinetic-molecular theory and can be used to explain the compressibility of plasma
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!