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1. If ammonium nitrate NH₄NO₃ contains the NO₃⁻ ion, what is the formula for the other ion?

Question 1 of 10

2. Which catalyst is used to produce ethanol in industry?

Question 2 of 10

3. What is the formula for magnesium iodide?

Question 3 of 10

4. A pupil has tried to write down various ways of representing butane using: molecular formula, displayed formula, general formula, empirical formula and stuctural formula. However she has missed one out. Which one?

Question 4 of 10

5. magnesium + ethanoic acid →

Question 5 of 10

6. What is cracking?

Question 6 of 10

7. State the expression for calculating molar concentration

Question 7 of 10

8. Write the word equation for the decompostion of hydrogen peroxide, H₂O₂

Question 8 of 10

9. Is silver hydroxide soluble?

Question 9 of 10

10. What is the empirical formula of an alcohol with the analysis; 52.2% C, 13.0% H and 34.8% O?

Question 10 of 10


 

2022-03-09T21:22:06+00:00Categories: Uncategorized|Tags: |
tutorMyself Chemistry is a non-commercial tool to support learning for Edexcel iGCSE Chemistry at one of Britain's top public schools.
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Section 1: Principles of chemistry

      a) States of matter

      b) Atoms

      c) Atomic structure

     d) Relative formula masses and molar volumes of gases

     e) Chemical formulae and chemical equations

     f) Ionic compounds

     g) Covalent substances

     h) Metallic crystals

     i) Electrolysis

 Section 2: Chemistry of the elements

     a) The Periodic Table

     b) Group 1 elements: lithium, sodium and potassium

     c) Group 7 elements: chlorine, bromine and iodine

     d) Oxygen and oxides

     e) Hydrogen and water

     f) Reactivity series

     g) Tests for ions and gases

Section 3: Organic chemistry

     a) Introduction

     b) Alkanes

     c) Alkenes

     d) Ethanol

Section 4: Physical chemistry

     a) Acids, alkalis and salts

     b) Energetics

     c) Rates of reaction

     d) Equilibria

Section 5: Chemistry in industry

     a) Extraction and uses of metals

     b) Crude oil

     c) Synthetic polymers

     d) The industrial manufacture of chemicals

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