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CSET Physical Sciences: Physics and Chemistry Flashcards

6 cards from real CSET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 CSET Physical Sciences: Physics and Chemistry flashcards as text

  1. What is the law of conservation of energy?

    Answer: Energy cannot be created or destroyed, only transformed

    The law of conservation of energy states that the total energy of an isolated system remains constant—energy can only change form.

  2. On the periodic table, elements in the same group (column) share similar:

    Answer: Chemical properties

    Elements in the same group have the same number of valence electrons, giving them similar chemical properties.

  3. What is the pH of a neutral solution at 25°C?

    Answer: 7

    A neutral solution has equal concentrations of H⁺ and OH⁻ ions, corresponding to a pH of 7.

  4. Which of the following is an example of potential energy?

    Answer: A book resting on a shelf

    A book on a shelf has gravitational potential energy due to its position above the ground.

  5. The speed of light in a vacuum is approximately:

    Answer: 3 × 10⁸ m/s

    The speed of light in a vacuum is approximately 3 × 10⁸ meters per second (about 300,000 km/s).

  6. What happens to the volume of a gas when pressure increases at constant temperature (Boyle's Law)?

    Answer: Volume decreases

    Boyle's Law states that pressure and volume are inversely proportional at constant temperature: P₁V₁ = P₂V₂.

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