The main cause of ozone depletion is? A. Acid rain B. Use of CFCs C. Global Warming D. None of the above Right Answer: B. Use of CFCs Share : December 13, 2017 Hassan Ali Chemistry Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -. In laboratory the decomposition of hydrogen peroxide is carried out best by using _____ catalyst.When α-bromo acids react with _______ they produced amino acids.Which one increases by common ion effect except?