To determine which substances from the given list are hydrophobic and do not dissolve in water, we can analyze each item based on their chemical nature and solubility characteristics.

1. **Fats**: Fats are generally hydrophobic due to their long hydrocarbon chains. They do not mix well with water and are insoluble in it.

2. **Salt**: Salt is hydrophilic; it dissolves easily in water due to the ionic interactions between salt ions and water molecules.

3. **Olive Oil**: Olive oil is composed mainly of fatty acids and is hydrophobic. It does not dissolve in water and instead forms a separate layer when mixed with it.

4. **Sugar**: Sugar is a hydrophilic substance. It dissolves in water due to the presence of hydroxyl (-OH) groups that can form hydrogen bonds with water.

### Summary
From the provided list, the substances that are hydrophobic and do not dissolve in water are:
- Fats
- Olive oil

**Final Answer**: Fats and olive oil are hydrophobic and do not dissolve in water.

Question

To determine which substances from the given list are hydrophobic and do not dissolve in water, we can analyze each item based on their chemical nature and solubility characteristics.

1. **Fats**: Fats are generally hydrophobic due to their long hydrocarbon chains. They do not mix well with water and are insoluble in it.

2. **Salt**: Salt is hydrophilic; it dissolves easily in water due to the ionic interactions between salt ions and water molecules.

3. **Olive Oil**: Olive oil is composed mainly of fatty acids and is hydrophobic. It does not dissolve in water and instead forms a separate layer when mixed with it.

4. **Sugar**: Sugar is a hydrophilic substance. It dissolves in water due to the presence of hydroxyl (-OH) groups that can form hydrogen bonds with water.

### Summary
From the provided list, the substances that are hydrophobic and do not dissolve in water are:
- Fats
- Olive oil

**Final Answer**: Fats and olive oil are hydrophobic and do not dissolve in water.

Knowee AI · Accepted Answer

To determine which substances from the given list are hydrophobic and do not dissolve in water, we can analyze each item based on their chemical nature and solubility characteristics.

1. **Fats**: Fats are generally hydrophobic due to their long hydrocarbon chains. They do not mix well with water and are insoluble in it.

2. **Salt**: Salt is hydrophilic; it dissolves easily in water due to the ionic interactions between salt ions and water molecules.

3. **Olive Oil**: Olive oil is composed mainly of fatty acids and is hydrophobic. It does not dissolve in water and instead forms a separate layer when mixed with it.

4. **Sugar**: Sugar is a hydrophilic substance. It dissolves in water due to the presence of hydroxyl (-OH) groups that can form hydrogen bonds with water.

### Summary
From the provided list, the substances that are hydrophobic and do not dissolve in water are:
- Fats
- Olive oil

**Final Answer**: Fats and olive oil are hydrophobic and do not dissolve in water.

Select all of the following substances that are hydrophobic and do not dissolve in water.Multiple select question.fatssaltolive oilsugar

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