Post category:Chemistry Mcqs Post comments:0 Comments What is the second most abundant element in the earth‟s crust? A. Silicon B. Aluminium C. Sodium D. Magnesium Read more articles Previous PostWhat is the molar mass of water (H2O)? Next PostWhich metal has the highest density? You Might Also Like Polythene is a ….. February 17, 2022 Who discovered proton in the nucleus of the atom? May 30, 2020 Bromine is a non metal in: August 26, 2020 The most densest substance on the Earth is __________. June 19, 2022 The PH scale of pure water is? May 9, 2020 Where does ozone layer lie in the atmosphere? August 20, 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