Which of the following statements is INCORRECT? I) Bleaching powder is a pale yellow powder II) Dry NH3 gas turns red litmus blue III) The pH of rain water is nearly 7 IV) The pH of acid rain is nearly 5.6

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Question:Which of the following statements is INCORRECT? I) Bleaching powder is a pale yellow powder II) Dry NH3 gas turns red litmus blue III) The pH of rain water is nearly 7 IV) The pH of acid rain is nearly 5.6

1.I II and IV

2. II and III

3.I and IV

4.Only II

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  1. Which of the following statements is INCORRECT? I) Bleaching powder is a pale yellow powder II) Dry NH3 gas turns red litmus blue III) The pH of rain water is nearly 7 IV) The pH of acid rain is nearly 5.6
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