37. Which one of the following statement is correct ? Ozone is found in the earth's atmosphere mostly between A.5 and 10 km B.10 and 20 km C.20 and 50 km D.50 and 100 km

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Abhishek Mishra

2 years ago

Answer: Option B Solution: Curd is sour in taste due to the presence of lactic acid.

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