Consider the following statements 1. Ozone is used as germicide, air and water purifiers, in making artificial, silk etc. 2. Bitterness in the onions is due to presence of sulphur compounds. 3. Heliumis used in filling the tyres of the aircraft. Which of the statements given above are correct? A. 1 and 2 B. 2 and 3 C. 1 and 3 D. 1, 2 and 3

The correct answer is: A. 1 and 2

Statement 1 is correct. Ozone is used as a germicide, air

64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube