In chemistry - Study guides, Class notes & Summaries

Pearson Edexcel GCE In Chemistry (9CH0) Paper 01: Advanced Inorganic and Physical Chemistry Summer 2023 mark scheme

OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. CHECK THE LAST PAGE FOR ANSWERS row shows the atomic structure of 37Cl –? protons neutrons electrons A 17 18 20 B 17 20 18 C 18 19 17 D 20 17 21 Your answer [1] 2 What is the formula of ammonium sulfide? A NH4S B NH4SO4 C (NH4)2S D (NH4)2SO4 Your answer [1] 3 Calcium nitrate, Ca(NO3)2, decomposes when heated, as shown below. Ca(NO3)2(s) → CaO(s) + 2N...

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This is the official question paper

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...

2023 Chemistry B H433/02: Scientific literacy in chemistry A Level Question Paper & Mark Scheme (Merged)

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This document contains the 2023 Paper 1 Mark Scheme to accompany the AQA A-Level Chemistry Paper 1 that was sat in 2023, get yours now to help with upcoming mock exams and revision practice.

QUESTIONS AND ANSWERS

CHEM 120 Final Exam (Version 3), CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.