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mixas84 [53]
3 years ago
10

Is food coloring dissolving in water a chemical change

Chemistry
2 answers:
zubka84 [21]3 years ago
6 0
Answer: There no chemical change, but there is a physical change.


Reason: When a substance dissolves in water, the substance retains its molecular identity and simply mixes throughout the water
GarryVolchara [31]3 years ago
5 0
No it is still the same element
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8 0
3 years ago
N an experiment you are asked to react hydrochloric acid with sodium hydroxide. When measuring the volume of the reactants, whic
luda_lava [24]

Answer:The correct option is, 100 ml Graduated cylinder.

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Erlenmeyer flask : It is also called as a conical flask or titration flask. It is a laboratory flask that has flat bottom, a conical body and a cylindrical neck. It is commonly used for the titration.

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As per question, the graduated cylinders are more accurate and precise than Erlenmeyer flasks and beakers.

8 0
3 years ago
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Which statement related to particle and wave properties of matter is correct? a. Interference patterns are observed when a wave
DerKrebs [107]

Answer:

a. Interference patterns are observed when a wave passes through a barrier with two slits

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the diagram attached below shows the movement of a wave through a barrier with two slits.

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Thus, option A is correct.

The other options however,  are not correct. as shown below:

Option B is wrong as waves exhibit diffraction <em>(it is diffraction of the light wave that produces the rainbows we see in the sky)</em>

Option C is wrong as waves do not travel straight through slits always.

Option D is wrong as waves can also interfere constructively and destructively.

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