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 Chemical name of vinegar is _____________? January 2, 2021 How many valence electrons are in chlorine atom? June 22, 2020 Radioactivity was discovered by __________. June 19, 2022 _________ is anything that takes up space and has mass. June 18, 2022 Which of the following hydrocarbons is more reactive? June 22, 2020 X-rays were discovered by: May 24, 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