Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Pollution

भारतीय मानकों के अनुसार पेयजल में आर्सेनिक की अनुमेय सीमा [IS:10500] है।

1

0.05 mg/L

2

0.5 mg/L

3

1.0 mg/L

4

2.0 mg/L

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