Post category:Chemistry Mcqs Post comments:0 Comments Most of the ozone in the atmosphere is concentrated in the A. Mesosphere B. Troposphere C. Stratosphere D. Ionosphere Read more articles Previous PostWhat are Columns in Periodic table called? Next PostWhich of the following energy Foods contain? You Might Also Like Polythene is a ….. February 17, 2022 How can we symbolically write the Ozone gas? (GSA 2022) May 15, 2022 A Chronometer is used for measuring _____ ? May 11, 2020 X-rays were discovered by: May 24, 2021 Marie Currie won Noble Prize in Chemistry in which year——- September 14, 2021 The electrode through which the electron enter the electrolytic solution is: September 13, 2021 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ