Red Seal Cosmetology Practice Exam

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Prepare for the Red Seal Cosmetology Exam. Our quiz features engaging multiple-choice questions and detailed hints to help you master essential concepts for your examination. Gear up for success in your cosmetology career!

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What are hydrogen bonds easily broken by?

  1. Water or heat

  2. Oil or cold

  3. Shampooing or brushing

  4. Cutting or trimming

The correct answer is: Water or heat

Hydrogen bonds are weak interactions between a hydrogen atom and an electronegative atom, such as oxygen or nitrogen. These bonds are easily broken by a stronger force, such as the polarity of water or the kinetic energy of heat. The options B, C, and D do not provide a strong enough force to break the hydrogen bonds. Oil is non-polar and does not interact with the polar hydrogen bonds, cold temperatures do not provide enough energy, and shampooing and brushing do not introduce enough force to break the bonds. Cutting or trimming may physically disrupt the bonds, but it is not the most effective way to break them. Therefore, the correct answer is A - water or heat.

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