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Questions and Answers
What do melting and boiling points help identify in a substance?
What do melting and boiling points help identify in a substance?
- Atomic number
- Chemical composition
- Electrical conductivity
- Type of intermolecular forces of attraction (correct)
What type of forces must be overcome for a solid or liquid to dissolve?
What type of forces must be overcome for a solid or liquid to dissolve?
- Metallic bonds
- Ionic bonds
- Covalent bonds
- Interionic or intermolecular forces (correct)
What supplies the energy to overcome interionic or intermolecular forces during dissolution?
What supplies the energy to overcome interionic or intermolecular forces during dissolution?
- Increase in pressure
- Increase in temperature
- Presence of catalyst
- Formation of bonds between the solute and the solvent particles (correct)
What may affect the dissolution of a substance?
What may affect the dissolution of a substance?
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What do pure substances possess that help in their characterization?
What do pure substances possess that help in their characterization?
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