Ocr as level chemistry b Study guides, Class notes & Summaries

OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. CHECK THE LAST PAGE FOR ANSWERS. 1 Which feature of the structure of the atom was deduced from the Geiger and Marsden experiment? A Atoms consist of electrons, protons and neutrons. B The nucleus is small and dense. C Electrons exist in energy levels/shells. D Electrons exist in atomic orbitals. Your answer [1] 2 Which row gives the correct trends for the followi...

OCR AS LEVEL CHEMISTRY B (SALTERS) H033/02 CHEMISTRY IN DEPTH ACTUAL 2024 EXAM PREDICTION WITH ACCURATE QUESTIONS AND ANSWERS. A+ GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS. 1 Disposable lighters use butane (C4H10). Heat energy is released when the butane is burned. Some students wish to determine the enthalpy change of combustion (cH) of butane. They use the apparatus below. thermometer clamp metal can water disposable lighter butane The mass of the lighter is meas...

OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 2024 GENUINE EXAM PREDICTION RATED 5 STAR.100% COMPLETE WITH ACCURATE ANSWERS. CHECK THE LAST PAGE FOR ANSWERS 1 How many protons are in a hydroxide ion, OH−? A 1 B 8 C 9 D 10 Your answer [1] 2 Which of the following is the correct electronic configuration for a potassium ion, K+ ? A 1s22s22p63s1 B 1s22s22p63s23p6 C 1s22s22p63s23p64s1 D 1s22s22p63s23p64s2 Your answer [1] 3 Which p...

OCR AS LEVEL Chemistry B (Salters) H033/01 JUNE 2022 FINAL MARK SCHEME > Foundations of chemistry

ocr AS Level Chemistry B (Salters) H033-01 May2023 Question Paper.

OCR AS LEVEL Chemistry B (Salters) H033/01 JUNE 2022 FINAL MARK SCHEME > Foundations of chemistry

OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY ORIGINAL 2024 EXAM 100 % COMPLETE QUESTIONS AND ANSWERS A+ SCORE GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS. 1 Which substance contains polar molecules? A C2H4 B CO2 C NCl 3 D SF6 Your answer [1] 2 What is the formula of silver carbonate? A AgCO3 B Ag(CO3)2 C Ag2CO3 D Ag3CO3 Your answer [1] 3 Which statement explains why ice is less dense than water? A Hydrogen bonds are stronger in ice than in water. B H...

OCR AS LEVEL CHEMISTRY B PAPER 2 JUNE 2022 QUESTIONS ONLY 1 Natural rubber is a polymer of 2-methylbuta-1,3-diene. H3C H2C CH2 C C H 2-methylbuta-1,3-diene (a) Draw the skeletal formula of 2-methylbuta-1,3-diene. [1] (b) The carbon-carbon double bond consists of both a sigma(σ) and a pi(π) bond. (i) The diagram of ethene below shows the position of the sigma(σ) bond between the carbon atoms. On the diagram sketch the shape and position of the pi(π) bond. H H C C H H σ bond ...

ocr AS Level Chemistry B (Salters) H033-02 May2023 Question Paper.

OCR AS LEVEL Chemistry B H033/02 JUNE 2022 FINAL MARK SCHEME >Chemistry in depth.