The substances with pH less than 7 are :
(1) Gastric juices (2) Coffee (3) Apple juice (4) Liquid in the car battery
(A) (1) and (2) only (B) (1), (3) and (4) only (C) (1), (2) and (3) only (D) All of these

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The substances with pH less than 7 are :
(1) Gastric juices (2) Coffee (3) Apple juice (4) Liquid in the car battery
(A) (1) and (2) only (B) (1), (3) and (4) only (C) (1), (2) and (3) only (D) All of these

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The substances with pH less than 7 are : (1) Gastric juices (2) Coffee (3) Apple juice (4) Liquid in the car battery (A) (1) and (2) only (B) (1), (3) and (4) only (C) (1), (2) and (3) only (D) All of these

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The substances with pH less than 7 are : (1) Gastric juices (2) Coffee (3) Apple juice (4) Liquid in the car battery (A) (1) and (2) only (B) (1), (3) and (4) only (C) (1), (2) and (3) only (D) All of these

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