Chemistry 9CH0/01 May June 2019 | Edexcel A Level Past Papers With Mark Scheme

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1. Calculation of Ions in Aluminium Oxide – Determination of the number of ions in 306 g of Al₂O₃ using Avogadro’s constant.

2. Electronic Configuration of Sulfide Ion – Selection of the correct electronic configuration for S²⁻ from multiple-choice options.

3. Isotopes and Mass Spectrometry – Calculation of the mass number of an unknown isotope given the relative atomic mass of gallium.

4. Group 2 Trends in the Periodic Table – Analysis of trends in thermal stability and solubility of carbonates, nitrates, hydroxides, and sulfates.

5. Iron(II) Compounds and Chemical Testing – Determination of the percentage of iron in FeSO₄ and qualitative tests for sulfate ions.

6. Flame Tests and Identification of Ions – Explanation of how to conduct a flame test, the origin of flame colors, and why magnesium ions do not produce a color.

Edexcel A Level Chemistry (9CH0) Jun 2019

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Classification: Edexcel Paper 1

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Chemistry 9CH0/01 May June 2019 | Edexcel A Level Past Papers With Mark Scheme

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