GATE CE 2018 Set 2 — Question 24

MCQ+1 / -0.33EasyWater Quality StandardsWater QualityEnvironmental EngineeringChemical Parameters

Environmental Engineering → Water Quality → Chemical Parameters

Last updated 5 September 2026

Question

As per IS 10500:2012, for drinking water in the absence of alternate source of water, the permissible limits for chloride and sulphate, in mg/L, respectively are

Correct answer (B) 1000 and 400 Solution According to the Indian Standard for Drinking Water (IS 10500:2012): 1. Chloride : The acceptable limit is 250 mg/L. In the absence of an alternate source, the permissible limit is extended to 1000 mg/L . 2. Sulphate : The acceptable limit is 200 mg/L. In the absence of an alternate source, the permissible limit is extended to 400 mg/L . Therefore, the correct values are 1000 and 400 mg/L. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (B) 1000 and 400 Solution According to the Indian Standard for Drinking Water (IS 10500:2012): 1. Chloride : The acceptable limit is 250 mg/L. In the absence of an alternate source, the permissible limit is extended to 1000 mg/L . 2. Sulphate : The acceptable limit is 200 mg/L. In the absence of an alternate source, the permissible limit is extended to 400 mg/L . Therefore, the correct values are 1000 and 400 mg/L.

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