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  9. Q47

TGPSC Group-I 2024 · Question 47 of 144

Match the following about Drinking Water Standards, (BIS 10500 : 2012) with acceptable limits : Metal Acceptable limit (mg L–1) A. Fe I. 5·0 B. Mn II. 0·3 C. Cu III. 0·05 D. Zn IV. 0·1 Choose the correct answer :

Science & Technology

  1. AA-II; B-III; C-I; D-IV
  2. BA-II; B-IV; C-III; D-ICorrect
  3. CA-I; B-IV; C-II; D-III
  4. DA-IV; B-III; C-I; D-II

Answer: B. A-II; B-IV; C-III; D-I

Explanation

BIS 10500:2012 acceptable limits: Fe 0.3, Mn 0.1, Cu 0.05, Zn 5.0 mg/L — A-II; B-IV; C-III; D-I.

Source: TGPSC Group-I Preliminary Test 2024 official question paper booklet (held 9 Jun 2024, TEST 224) with Preliminary Key (MASTER), via Adda247

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