Post category:Chemistry Mcqs / Physics Mcqs Post comments:0 Comments Who discovered proton in the nucleus of an atom? A. Chadwick B. JJ Thomson C. Gold Stein D. Bohr Submitted by: Aslam Read more articles Previous PostThe famous equation E=mc^2 is given by which scientist? Next PostWhat is the S.I unit of refractive index? You Might Also Like Which of the following is the most toxic gas? May 25, 2021 What is the chemical formula of Ozone? September 3, 2021 Which of the following energy Foods contain? October 31, 2021 Which from the following is NOT a conductor? June 19, 2022 What is the molar mass of water (H2O)? September 3, 2020 The SI base unit for mass is: June 24, 2020 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