alleryMatch each pH range with its physiological or environmental significance:
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
Blood is 7.35-7.45. Enamel demineralizes below pH 5.5. Acid rain has pH < 5.6.
Keep practising Acids, Bases and Salts
Browse all Acids, Bases and Salts questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
The pH scale is described as…Vinegar is described as a dilute aqueous solution of…Which acid is the aqueous solution of hydrogen chloride?Which substance is given as a common weak acid?In Brønsted–Lowry theory, a base accepts what?As pH decreases, acidity generally…At 25 °C, which description fits pH 9?At 25 °C, which pH is neutral?