3. why does the spot need to be above the level of the solvent when the chromatogram is placed into the solvent? to understand how it can be dissolved.
4. what does soluble and insoluble inks mean? it can dissolve, insoluble means it wont
5. what is the function of water in this activity? the solvent because it dissolves it
6. how would you explain that magic marker is a mixture? use supporting evidence.

7. what type of mixture is magic marker? solutions and michaniry mixtures
8. how could permanent marker be separated? alchohol
9. identify the solute and the solvent in this activity. solvent= what does the dissolving
solute= what is being dissolved

Question

3. why does the spot need to be above the level of the solvent when the chromatogram is placed into the solvent? to understand how it can be dissolved.
4. what does soluble and insoluble inks mean? it can dissolve, insoluble means it wont
5. what is the function of water in this activity? the solvent because it dissolves it
6. how would you explain that magic marker is a mixture? use supporting evidence.

7. what type of mixture is magic marker? solutions and michaniry mixtures
8. how could permanent marker be separated? alchohol
9. identify the solute and the solvent in this activity. solvent= what does the dissolving
solute= what is being dissolved

Accepted Answer

### Question 3
# Brief Explanations:
If the spot is below the solvent level, the ink will dissolve directly in the solvent reservoir instead of moving up the paper via capillary action during chromatography. Placing the spot above the solvent allows the solvent to move up the paper and carry the ink components (via capillary action and differential solubility) to separate them, which is the purpose of chromatography.
# Answer:
To prevent the ink spot from dissolving directly in the solvent reservoir; it allows the solvent to move up the paper (via capillary action) and separate the ink components during chromatography.

### Question 4
# Brief Explanations:
- **Soluble inks**: Inks whose pigment/dye components can dissolve in a given solvent (like water, alcohol). For example, some fountain pen inks dissolve in water.
- **Insoluble inks**: Inks whose pigment/dye components do not dissolve in a given solvent. For example, some permanent marker inks are insoluble in water (but may dissolve in alcohol).
# Answer:
- Soluble inks: Ink components (pigment/dye) dissolve in a solvent (e.g., water).
- Insoluble inks: Ink components do not dissolve in a solvent (e.g., some permanent marker inks in water).

### Question 5
# Brief Explanations:
In chromatography activities (e.g., paper chromatography with ink), water acts as the **solvent**. It moves up the paper (via capillary action) and dissolves the soluble components of the ink, carrying them up the paper to separate the ink’s components based on their differential solubility and adsorption.
# Answer:
Water acts as the solvent in the chromatography activity; it moves up the paper (capillary action) and dissolves soluble ink components to separate them.

### Question 6
# Brief Explanations:
A mixture is a combination of two or more substances. Magic marker ink is a mixture because, during chromatography, the ink separates into multiple colored bands (e.g., a black magic marker might separate into blue, red, yellow, etc.). This separation shows the ink contains multiple distinct components (dyes/pigments) with different solubilities in the solvent (like water or alcohol), proving it is a mixture of those components.
# Answer:
Magic marker is a mixture because chromatography (e.g., paper chromatography) shows it separates into multiple colored bands (components). This indicates it contains two or more distinct substances (dyes/pigments) with different solubilities, a key characteristic of a mixture.

### Question 7
# Brief Explanations:
Magic marker ink is a **solution** (a type of homogeneous mixture) if the ink components are uniformly dissolved in a solvent (e.g., the dye/pigment is dissolved in a liquid carrier). However, if considering the marker’s ink as a mixture of dyes/pigments and a solvent, it is a homogeneous mixture (solution) because the components are uniformly distributed (no visible separation, and chromatography separates dissolved components, not physical phases).
# Answer:
Magic marker ink is a homogeneous mixture (specifically a solution) because its components (dyes, solvent) are uniformly distributed and dissolved (no visible phases, and chromatography separates dissolved components).

### Question 8
# Brief Explanations:
Permanent marker inks are often insoluble in water but soluble in organic solvents like **rubbing alcohol (isopropyl alcohol) or acetone**. To separate permanent marker ink, use chromatography with alcohol as the solvent: place the marker’s ink spot on chromatography paper, dip the paper in alcohol, and the alcohol will dissolve the ink components and carry them up the paper to separate them. Alternatively, for bulk separation (e.g., removing permanent marker from a surface), alcohol dissolves the ink for cleaning.
# Answer:
Permanent marker can be separated (or its components separated) using chromatography with a solvent like rubbing alcohol (isopropyl alcohol) or acetone, as the ink’s components are soluble in these organic solvents.

### Question 9
# Brief Explanations:
In a chromatography activity (e.g., separating magic marker ink with water):
- **Solvent**: Water (the substance doing the dissolving, moving up the paper).
- **Solute**: The ink’s components (dyes/pigments) that dissolve in the water (the substance being dissolved).
# Answer:
- Solvent: Water (dissolves ink components).
- Solute: Ink components (dyes/pigments in the magic marker ink, dissolved by water).

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