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KA1 Select the correct word to complete the sentence below.The pH scale allows us to measure the ____________ of acids and bases.tastestrengthcolourtemperature

Question

KA1

Select the correct word to complete the sentence below.
The pH scale allows us to measure the ____________ of acids and bases.

  • taste
  • strength
  • colour
  • temperature
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Solution

Correct Word Selection

  1. Break Down the Problem
    We need to identify the correct word that accurately completes the sentence about the pH scale.

  2. Relevant Concepts
    The pH scale is a measurement system used in chemistry to determine how acidic or basic a substance is. The key aspect to look for is what pH indicates regarding acids and bases.

  3. Analysis and Detail

    • Taste: While some acids and bases can be sour or bitter, taste is not measured by the pH scale.
    • Strength: The pH scale effectively measures the strength of acids and bases, indicating how concentrated they are in terms of hydrogen ion concentration.
    • Colour: Colour is not a direct measurement of acids and bases on the pH scale.
    • Temperature: Though temperature affects chemical reactions, it does not relate to the pH measurement itself.
  4. Verify and Summarize
    After considering the definitions, "strength" is the most suitable term because the pH scale quantifies how acidic or basic a solution is, which is directly related to the strength of acids and bases.

Final Answer

The pH scale allows us to measure the strength of acids and bases.

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