Science Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

The strength of an acid is called its and the strength of a base is called its _.

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A softness, hardness
B sourness, sweetness
C acidity, alkalinity
D alkalinity, acidity

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Answer: C. acidity, alkalinity

The correct answer is C. acidity, alkalinity.
Acidity measures how strong an acid is (its concentration of hydrogen ions).
Alkalinity (or basicity) measures how strong a base is.
Sourness (B) is a physical taste of acids, not a scientific measure of strength.
Option D is incorrect because it swaps the two term

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The strength of an acid is called its ____ and the strength of a base is called its _____.

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The strength of an acid is called its and the strength of a base is called its _.