Post category:Chemistry Mcqs Post comments:0 Comments The oxide of calcium CaO is: A. Acidic B. Basic C. Amphoteric D. Neutral Read more articles Previous PostThe word alkali means: Next PostHalogens react with metals to form: You Might Also Like The soul of chemistry is dealing with___________? May 25, 2021 In physics, Sir Max Planck got noble prize in 1918 for his work on? June 17, 2020 Where does ozone layer lie in the atmosphere? August 20, 2022 What are Columns in Periodic table called? September 30, 2021 The horizontal rows of the periodic table are called ______? June 23, 2020 Watt is the unit of which of the following? September 15, 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