OCR A AS CHEMISTRY PAPER 1 2023 QUESTION PAPER WITH MARK SCHEME (Breadth in Chemistry)

OCR A AS CHEMISTRY PAPER 1 2023 QUESTION PAPER WITH MARK SCHEME (Breadth in Chemistry). DOWNLOAD OFFICIAL AND VERIFIED OCR A AS CHEMISTRY PAPER 1 PREDICTED PAPER 2023 on www.hackedexams.com INSTANTLY. SECTION A 1. An element (X) occurs in nature with two different isotopes, 65X or 63X. The Ar of X is 63.5. Calculate the relative abundance of the 63X isotope. A. 20% B. 65% C. 45% D. 75% 2. The molecule which does not exhibit dipole moment is: A. NH3 B. CHCl3 C. CCl4 D. H2O 3. Ident...