Post category:Chemistry Mcqs Post comments:0 Comments ‘Christian Friedrich Schönbein’ discovery is___________? A. Ozone B. Radium C. Chlorine D. Neutron Read more articles Previous PostWeather describes the condition of ______ at anytime. A. The earth B. The land surface C. The Atmosphere D. The ionosphere Next PostThe Sun’s mass is mainly consist of ____________? You Might Also Like Radioactivity was discovered by __________. June 19, 2022 Where does ozone layer lie in the atmosphere? August 20, 2022 What are Columns in Periodic table called? September 30, 2021 Which of the following is the most toxic gas? May 25, 2021 How many rows and columns are in the modern Periodic Table? September 30, 2021 The density of a gas increases, when ________ August 7, 2022 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